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Functions

SequencesLessonsMaterialsVideos
  1. Math

Functions

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Mapping relationships through notation, algebraic representations, and growth rate comparisons. Equips learners to transform functions, model contextual data, and solve exponential equations.

Function Concepts and NotationFunction notation, domain, and range across algebraic, graphical, and tabular representations. Evaluates expressions for specific inputs and distinguishes between functions and relations using the vertical line test.
Define and Compare FunctionsDistinguishes between linear and non-linear functions using tables, graphs, and algebraic representations. Compares rates of change and initial values across different mathematical models.
Interpret Functions in ContextRelates mathematical functions to real-world scenarios through the analysis of key features like intercepts, intervals of increase, and relative extrema. Builds proficiency in translating verbal descriptions into algebraic and graphical representations.
Analyze Function RepresentationsTranslates between graphs, tables, and symbolic equations to determine domain, range, and rate of change. Evaluates how transformations and properties manifest across diverse mathematical models.
Model Relationships with FunctionsMathematical modeling techniques representing variable dependencies through tables, graphs, and algebraic expressions. Analyzes functional behavior to predict outcomes and solve real-world contextual problems.
Identify Linear vs Exponential GrowthDistinguishes between additive and multiplicative patterns in tables, graphs, and real-world contexts. Examines constant rates of change versus constant percentage growth to identify function types.
Distinguish Between Function TypesComparative analysis of linear, quadratic, exponential, and absolute value functions using graphs, tables, and algebraic representations. Evaluates constant rates of change versus varying growth patterns to identify and classify specific function families.
Compare Growth RatesAnalyzes differences between linear, quadratic, and exponential functions as inputs increase. Equips learners to identify dominance and relative rates of change using tables, graphs, and algebraic limits.
Interpret Function ExpressionsAnalysis of terms and coefficients within algebraic expressions to assign contextual meaning to variables and constants. Targets the translation of mathematical relationships into practical, real-world scenarios.
Build Functions from RelationshipsExplicit and recursive formulas derived from arithmetic and geometric sequences. Connects contextual scenarios to linear, exponential, and quadratic models through algebraic notation.
Construct and Model FunctionsConstruction of linear, quadratic, and exponential functions based on contextual data or geometric patterns. Interprets key features and parameters to solve applied problems.
Transform and Combine FunctionsHorizontal and vertical translations, reflections, and dilations of parent functions. Includes function arithmetic and composition to create complex mathematical models.
Model Comparison and SelectionCross-validation, AIC, and BIC metrics for evaluating predictive performance and model complexity. Balances bias and variance to select the most generalizable model for a given dataset.
Solve Exponential EquationsLogarithmic transformations and base-matching strategies to isolate variables in exponent positions. Develops proficiency in solving growth and decay models.
MathNumbers & CountingCounting ObjectsNumber NamesComparing NumbersNumber OperationsCounting SequenceNumbers 0-10Place Value Understanding and SystemAdd and Subtract Within 20Addition and Subtraction ConceptsAddition and Subtraction EquationsAddition and Subtraction ProblemsFoundations for MultiplicationMultiplication and Division PropertiesMultiply and Divide Within 100Multiplication and Division ProblemsFactors and MultiplesProperties of OperationsPatterns and RelationshipsGenerate and Analyze PatternsMulti-Digit ArithmeticPlace Value OperationsMulti-Digit and Decimal OperationsNumerical ExpressionsFour Operations and PatternsFour Operations Problem SolvingMeasurement & DataMeasurable AttributesMeasuring LengthsMeasure and Estimate Lengths in Standard UnitsRelate Addition and Subtraction to LengthClassifying and Counting ObjectsTime and MoneyArea Concepts and MeasurementPerimeter and Area MeasuresAngle Concepts and MeasurementTime, Volume, and MassMeasurement Unit ConversionsGeometryIdentifying ShapesShapes and AttributesShape Attributes and ReasoningShapes and CompositionClassifying 2D FiguresGeometric Figures and RelationshipsLines, Angles, and ShapesAngle, Area, and VolumeGeometric MeasurementVolume of 3D ShapesCoordinate Plane ApplicationsTransformations in the PlaneCongruence and SimilarityUnderstand congruence in terms of rigid motionsSimilarity and TransformationsProve Theorems Involving SimilarityPythagorean TheoremTrigonometry for General TrianglesMake Geometric ConstructionsProve Geometric TheoremsTheorems About CirclesFind Arc Lengths And Areas of Sectors of CirclesVolume FormulasRelationships Between Two-Dimensional and Three-Dimensional ObjectsProve Simple Geometric Theorems AlgebraicallyTranslate Between Geometric Description and Equation for Conic SectionApply Geometric Concepts in Modeling SituationsFractions & DecimalsFractions as NumbersBuilding FractionsFraction Equivalence and OrderingAdding and Subtracting FractionsMultiplying and Dividing FractionsDividing FractionsDecimal FractionsMulti-Digit Computation and FactorsAdd, Subtract, Multiply, and Divide Rational NumbersRational Number SystemIrrational Numbers and ApproximationsRatiosRatios and ProportionsProportional RelationshipsUnit RateAlgebraAlgebraic ExpressionsGenerate Equivalent ExpressionsQuantitative RelationshipsProportional Relationships and Linear EquationsEquations and InequalitiesEquation Solving and ReasoningLinear Equations and SystemsGraph Equations and InequalitiesSystems of EquationsReal-World Algebraic ProblemsQuantitative Reasoning with UnitsExpression StructureEquivalent Expression FormsRadicals and Integer ExponentsRational ExponentsRational and Irrational NumbersPolynomial OperationsPolynomial IdentitiesPolynomial Zeros and FactorsRational ExpressionsComplex Number OperationsComplex Numbers in PolynomialsComplex Numbers on PlaneStatistics & ProbabilityRepresent and Interpret DataData DistributionsStatistical VariabilityProbability ModelsCompound Event ProbabilitiesStatistical SamplingInterpret Categorical and Quantitative DataBivariate Data PatternsInterpret Linear ModelsComparing Two PopulationsRandom Processes in StatisticsIndependence and Conditional ProbabilityExpected ValuesProbability-Based Decision MakingStatistical Inference and ConclusionsFunctionsFunction Concepts and NotationDefine and Compare FunctionsInterpret Functions in ContextAnalyze Function RepresentationsModel Relationships with FunctionsIdentify Linear vs Exponential GrowthDistinguish Between Function TypesCompare Growth RatesInterpret Function ExpressionsBuild Functions from RelationshipsConstruct and Model FunctionsTransform and Combine FunctionsModel Comparison and SelectionSolve Exponential EquationsTrigonometryTrigonometric Ratios Involving Right TrianglesTrigonometric Functions and Unit CircleModel with Trigonometric FunctionsTrigonometric IdentitiesVectors & MatricesIntroduction to Vectors and MatricesVector QuantitiesVector OperationsMatrix OperationsCalculusLimits and ContinuityDerivative Concepts and NotationDerivative Rules and TechniquesApplications of DerivativesOptimization ProblemsRelated RatesCurve Sketching and AnalysisIntegration Concepts and NotationAntiderivatives and Indefinite IntegralsDefinite Integrals and AreaFundamental Theorem of CalculusIntegration TechniquesApplications of IntegrationDifferential EquationsSequences and SeriesParametric and Polar FunctionsVector-Valued Functions
Lesson
Future Forecasts Slides
Future Forecasts Worksheet
Future Forecasts Teacher Guide

Future Forecasts

Students use their constructed models to extrapolate and answer questions about future events, solving trigonometric inequalities graphically.

Lenny Avatar
Lenny
1/18
Lesson
Digital Regression Slides
Digital Regression Worksheet
Digital Regression Teacher Guide

Digital Regression

Students use graphing calculators or regression software to fit trigonometric equations to data sets. They compare their hand-calculated models to the regression models.

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Lenny
1/18
Lesson
Shift and Scale Slides
Shift and Scale Worksheet
Shift and Scale Teacher Guide

Shift and Scale

Focusing on the x-axis, students determine the period of real-world cycles. They calculate the horizontal scaling factor and determine appropriate horizontal shifts.

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Lenny
1/18
Lesson
Height and Midline Slides
Height and Midline Worksheet
Height and Midline Teacher Guide

Height and Midline

Students learn the algebraic techniques to extract the midline and amplitude from a data table. They practice these calculations on various environmental data sets.

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Lenny
1/18
Lesson
Trends and Tides Slides
Trends and Tides Worksheet
Trends and Tides Teacher Guide

Trends and Tides

Students plot given data sets and identify the periodic nature of the data. They sketch a 'best fit' curve by hand to estimate the maximums, minimums, and cycle length.

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Lenny
1/18
Lesson
Classification Crisis Slides
Spam Filter Project Guide
Classification Metrics Card

Classification Crisis Lesson

Transitioning to categorical outcomes, students explore logistic regression, probability thresholds, confusion matrices, and the precision-recall trade-off through a spam classification project.

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Lenny
1/17
Lesson
Diagnostic Drilldown Slides
Model Evaluation Lab Worksheet

Diagnostic Drilldown Lesson

Focuses on quantifying model performance using R-squared, RMSE, and MAE. Students also learn to validate statistical assumptions like homoscedasticity and error normality.

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Lenny
1/17
Lesson
Multivariate Models Slides
Housing Price Case Study Worksheet

Multivariate Models Lesson

Expanding models to include multiple predictors. The lesson focuses on interpreting multivariate coefficients, detecting multicollinearity, and employing feature selection strategies to improve model performance.

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Lenny
1/17
Lesson
Linear Logic Slides
OLS Workshop Worksheet
Regression Reference Sheet

Linear Logic Lesson

An introduction to Ordinary Least Squares (OLS) regression. Students fit models with a single predictor, interpret coefficients, and analyze residuals to understand the relationship between variables.

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Lenny
1/17
Lesson
Significance Signal Slides
Signal Detection Lab Worksheet
Significance Teacher Guide

Significance Signal Lesson

Students review fundamental statistical concepts including p-values, confidence intervals, and t-tests within a coding environment. They practice formulating null and alternative hypotheses for real datasets through simulations and A/B testing scenarios.

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Lenny
1/17
Lesson
Ultimate Fit Challenge Worksheet
Ultimate Fit Rubric Key

The Ultimate Fit

A culminating challenge where students must select the best model from a messy dataset, defending their choice using AIC/BIC metrics against over-parameterized alternatives.

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Lenny
1/17
Lesson
Razors Edge Slides
Overfit Disaster Case Study

The Razors Edge

An exploration of Occam's Razor in mathematics, analyzing case studies where simpler models outperformed complex ones in long-term forecasting.

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Lenny
1/17
Lesson
Selection Showdown Slides
Model Selection Matrix Worksheet
Model Selection Answer Key

The Selection Showdown

Students practice ranking and comparing models using AIC and BIC scores, exploring scenarios where the two metrics provide different recommendations.

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Lenny
1/17
Lesson
Information Tax Slides
Complexity Tax Calculator Worksheet
Complexity Tax Answer Key

The Information Tax

Introduction to AIC and BIC formulas, focusing on the conceptual 'tax' or penalty applied to each additional parameter in a mathematical model.

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Lenny
1/17
Lesson
Complexity Curse Slides
Nonsense Variable Worksheet
Complexity Curse Teacher Guide

The Complexity Curse

Students investigate why R-squared always increases as variables are added to a model, regardless of their relevance, creating a need for complexity-adjusting metrics.

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Lenny
1/17
Lesson
Titanic Trig Study Guide
Titanic Trig Flashcards Part 1
Titanic Trig Flashcards Part 2
Titanic Navigational Chart

Titanic Trigonometry

A maritime-themed lesson exploring trigonometry through the lens of the Titanic's maiden voyage. Students master unit circle coordinates and trigonometric values using historical figures and navigation scenarios.

J

jlaroux

Math Teacher
2/24
Lesson
TSIA2 Math Practice Test
TSIA2 Math Answer Key

TSIA2 Math Mastery

A comprehensive practice session for the TSIA2 Math exam, focusing on quantitative reasoning, algebraic reasoning, geometry, and statistics.

JW

Jessica Waters

Math Teacher
2/20
Lesson
TSIA2 Math Practice Test
TSIA2 Math Answer Key

TSIA2 Math Mastery

A comprehensive 20-question practice test covering all four TSIA2 Math domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Lesson
Wave Navigator Notes Handout
Wave Navigator Slides
Wave Navigator Answer Key
Wave Navigator Exit Ticket

Wave Navigator

A comprehensive lesson on graphing Sine and Cosine functions, featuring guided notes, instructional slides, and a detailed answer key. Students will learn to identify amplitude, period, midline, and phase shifts to accurately sketch periodic graphs.

AP

Abha Poddar

Math Teacher
1/23
Lesson
Target TSIA2 Math Worksheet
Target TSIA2 Math Key

TSIA2 Target Practice

A comprehensive 20-question practice test and answer key designed to prepare students for the TSIA2 Mathematics assessment, focusing on algebraic, geometric, and statistical reasoning.

JW

Jessica Waters

Math Teacher
1/21
Lesson
Series Sleuths Slides
Error Analysis Worksheet
Error Analysis Answer Key

Series Sleuths

A high-level mathematics lesson focused on distinguishing between sequences and series, determining convergence, and performing error analysis on complex geometric problems. Students will watch targeted practice segments and correct common mathematical misconceptions.

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Lenny
1/19
Lesson
Deconstruction Lab Worksheet
Function Anatomy Slides
Function Anatomy Anchor Chart
Deconstruction Lab Answer Key

Function Anatomy

This lesson focuses on the skill of decomposing composite functions, a prerequisite for the Chain Rule in Calculus. Students will analyze the relationship between 'inner' and 'outer' functions through video observation, algebraic reverse engineering, and conceptual discussion.

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Lenny
1/19
Lesson
Function Fusion Slides
Expansion Challenge Worksheet
Expansion Rubric
Expansion Answer Key

Function Fusion Expansion Mastery

A high-school algebra lesson focused on avoiding the 'power of a sum' error when expanding binomials within composite functions, featuring video-guided instruction and a hands-on expansion challenge.

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Lenny
1/19
Lesson
Radical Roots Slides
Root Detective Investigation Guide
Radical Roots Facilitation Guide
Graphing Calculator Reference

Radical Roots Analysis

A high-level honors algebra lesson focusing on the algebraic and graphical nature of extraneous solutions in radical equations, featuring a double-square problem and graphing calculator investigation.

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Lenny
1/19
Lesson
Radical Intersection Slides
Radical Recon Worksheet
Radical Solutions Facilitator Guide
Radical Recon Answer Key

Radical Intersections

Students will solve complex radical equations algebraically and verify their solutions using graphical intersections on Desmos, while considering domain restrictions.

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Lenny
1/19
Lesson
Inverse Exchange Worksheet
Inverse Exchange Slides
Inverse Exchange Anchor Chart
Inverse Exchange Graph Paper
Inverse Exchange Teacher Guide

The Inverse Exchange

A Pre-Calculus lesson focused on the relationship between exponential and logarithmic functions through the lens of domain and range swapping. Students analyze transformations, identify key features like asymptotes, and verify inverse relationships graphically.

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Lenny
1/19
Lesson
Inverse Reflection Facilitation Guide
Inverse Reflection Slides
Base e Graphing Notes
Inverse Mirror Discussion Cards
Logarithmic Reflection Journal

Inverse Reflection

A Pre-Calculus lesson exploring the geometric relationship between exponential and natural logarithmic functions as inverses, featuring video analysis and side-by-side graphical comparisons.

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Lenny
1/19
Lesson
Triangle Architect Worksheet
Pascal Anchor Chart
Architect's Inspection Exit Ticket
Triangle Architect Presentation Slides
Pascal Teacher Key

Pascal's Architect

Students will construct Pascal's Triangle and explore the mathematical logic of the symmetry of combinations ($nCr = nC(n-r)$) through visual patterns and algebraic reasoning.

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Lenny
1/19
Lesson
Reciprocal Rivals Slides
Reciprocal Rivals Worksheet
Reciprocal Rivals Exit Ticket
Reciprocal Rivals Teacher Guide
Reciprocal Rivals Calculator Guide

Reciprocal Rivals

Students explore the unique properties of even and odd reciprocal functions ($1/x$ and $1/x^2$) through graphical analysis, video observation, and comparative discussion.

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Lenny
1/19
Lesson
Partial Sum Slides
Blueprint Challenge Worksheet
Summation Toolset Reference
Blueprint Teacher Guide

Partial Sum Blueprint

A high-school level lesson exploring arithmetic sequences, focusing on the transition from manual summation to the partial sum formula using Sigma notation.

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Lenny
1/19
Lesson
Scaling Investigation Slides
Scaling Operations Anchor Chart
Transformation Log Journal
Scaling Logic Teacher Guide

The Inside Job

A deep dive into horizontal scaling in Pre-Calculus, focusing on the counterintuitive nature of 'inside' transformations and the algebraic logic of dividing inputs.

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Lenny
1/19
Lesson
Mirror Math Worksheet
Mirror Math Slides
Mirror Math Teacher Guide

Mirror Math

A hands-on exploration of inverse functions where students use folding and tracing to discover the visual relationship between a function and its inverse. The lesson emphasizes the reflection over the line y=x and the swapping of coordinate values.

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Lenny
1/19
Lesson
Case File Teacher Guide
Limit Lawsuit Slides
Legal Limits Worksheet
Limit Lawyer Cards
Closing Arguments Reflection

Limit Lawsuit

A Precalculus lesson focused on calculating overall limits from graphs and identifying conditions for non-existence through a courtroom-themed simulation.

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Lenny
1/19
Lesson
Pathfinder Lab Worksheet
Bridge Inspector Card Sort Deck
Final Inspection Exit Ticket

Pathfinder Continuity

A Precalculus lesson focusing on the informal definition of continuity through the 'pencil test' and identifying the four main types of discontinuities: removable, jump, infinite, and oscillating. Students engage in a hands-on card sort to classify functions based on their graphical behavior.

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Lenny
1/19
Lesson
Chaos at the Origin Worksheet
Chaos at the Origin Slides
Chaos at the Origin Answer Key

Chaos at the Origin

Students investigate the behavior of functions with oscillating discontinuities, specifically focusing on the limit of \(\sin(1/x)\) as \(x \to 0\) compared to bounded oscillating functions like \(x \cdot \sin(1/x)\). The lesson uses a combination of video analysis and digital graphing tools to explore the formal definition of limit failure due to oscillation.

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Lenny
1/19
Lesson
Inverse Reflection Facilitation Guide
Inverse Reflection Slides
Base e Graphing Notes
Inverse Mirror Discussion Cards
Logarithmic Reflection Journal

Inverse Reflection

A Pre-Calculus lesson exploring the geometric relationship between exponential and natural logarithmic functions as inverses, featuring video analysis and side-by-side graphical comparisons.

Lenny Avatar
Lenny
1/19
Lesson
Triangle Architect Worksheet
Pascal Anchor Chart
Architect's Inspection Exit Ticket
Triangle Architect Presentation Slides
Pascal Teacher Key

Pascal's Architect

Students will construct Pascal's Triangle and explore the mathematical logic of the symmetry of combinations ($nCr = nC(n-r)$) through visual patterns and algebraic reasoning.

Lenny Avatar
Lenny
1/19
Lesson
Summation Showdown Slides
Summation Cheat Sheet
Sequence Sorting Cards
Summation Facilitator Guide

Summation Showdown

A Pre-Calculus lesson focused on distinguishing between arithmetic and geometric sequences and applying the finite geometric sum formula through visual analysis and active sorting.

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Lenny
1/19
Lesson
Pattern Power Teacher Guide
Pattern Power Slides
Pattern Predictor Worksheet
Algebraic Architect Cards

Pattern Power Factoring

Students will investigate the patterns of higher-degree binomials (\(a^n \pm b^n\)) to generalize algebraic rules and predict factoring formulas for powers beyond the cubic.

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Lenny
1/19
Lesson
Curve Cracker Worksheet
The Great Approach Slides
Rate Navigator Reference Sheet

The Great Approach

This lesson introduces students to the distinction between average and instantaneous rates of change. Students analyze non-linear functions, watch a video on real-world applications, and perform a limiting process activity to see how average rates approach instantaneous speed.

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Lenny
1/19
Lesson
Slant Search Slides
Asymptote Sorting Cards
Oblique Outlook Exit Ticket
Asymptote Architect Teacher Guide

Slant Search

A high school Algebra II/Pre-Calculus lesson where students discover and calculate oblique asymptotes of rational functions through visual analysis, polynomial division, and conceptual reasoning about limits.

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Lenny
1/19
Lesson
Curvy Asymptotes Slides
Beyond the Slant Exploration Guide
Curvy Asymptotes Teacher Guide

Curvy Asymptotes Exploration

Students explore 'broken' cases of rational functions where the degree of the numerator is two or more higher than the denominator, leading to non-linear (polynomial) asymptotes.

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Lenny
1/19
Lesson
Vertex Victory Slides
Vertex Victory Reflection Journal
Battle Logistics Teacher Guide

Vertex Verification Battle

Students will verify the vertex of quadratic functions using two distinct algebraic methods: Completing the Square and the Vertex Formula. The lesson features a competitive "Method Battle" to compare efficiency and accuracy between these techniques.

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Lenny
1/19
Lesson
The Great Approach Slides
Limit Logic Handout
Limit Landscapes Anchor Chart
The Great Approach Teacher Guide

The Great Approach

An introductory calculus lesson exploring the concept of limits through Zeno's Paradox, visual analogies, and creative graphing. Students distinguish between a function's value and its limit by analyzing holes, jumps, and continuous behavior.

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Lenny
1/19
Lesson
Tangent Slope Teacher Guide
Tangent Slope Slides
Tangent Slope Worksheet
Tangent Slope Answer Key
Tangent Slope Graph Paper

Secant to Tangent Transformation

This lesson introduces the concept of a tangent line's slope as the limit of secant line slopes, transitioning students from Algebra 1 slope calculations to the foundational definition of a derivative. Students will use graphing and numerical estimation to see how a secant line 'becomes' a tangent line as the distance between points approaches zero.

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Lenny
1/19
Lesson
Local Linearity Slides
The Great Zoom Worksheet
Calculus Reflection Journal Prompts
Best Linear Approximation Teacher Guide

Local Linearity and Tangents

This AP Calculus lesson explores the concept of local linearity by investigating how curves appear linear when magnified. Students will use the limit definition of a tangent line to calculate slopes and compare them to visual approximations from 'zooming in'.

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Lenny
1/19
Lesson
Slope Blueprints Packet Student Document
Slope Blueprints Presentation Slides
Slope Blueprints Station Cards Activity Cards
Slope Blueprints Answer Key Teacher Resource

Slope Blueprints

A Pre-Calculus lesson focused on the algebraic calculation of the average rate of change using function notation, serving as a conceptual bridge to the derivative. Students move from graphical interpretations to precise algebraic substitutions and informal limits.

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Lenny
1/19
Lesson
Relay and Review Packet
Radical Quotient Slides
Relay Answer Key

Radical Difference Quotient

This lesson focuses on calculating the difference quotient for radical functions using the conjugate method. It includes a conjugate warm-up, guided video notes for a complex radical example, a collaborative group relay activity, and a conceptual preview of derivatives.

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Lenny
1/19
Lesson
Function Faceoff Anchor Chart
Shift Challenge Worksheet

Function Faceoff

Students will investigate the reciprocal relationship between tangent and cotangent, focusing on their graphical properties, asymptote locations, and algebraic transformations. The lesson culminates in a rigorous proof of the shift-and-reflect relationship between the two functions.

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Lenny
1/19
Lesson
Ghost Graphing Worksheet
Infinity Bounds Exit Ticket
Ghost Graphing Slides
Ghost Graphing Teacher Guide

Ghost Graphing Trig

Students will learn to graph cosecant and secant functions by using their reciprocal sine and cosine 'ghost' graphs as guides. This lesson explores the relationship between x-intercepts and vertical asymptotes, as well as why these functions lack amplitude.

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Lenny
1/19
Lesson
Shrinking the Gap Investigation
Shrinking the Gap Slides
Shrinking the Gap Key
Shrinking the Gap Lesson Plan

Shrinking the Gap

This lesson transitions students from the concept of Average Rate of Change to the formal Difference Quotient. Through a 'shrinking the interval' activity, students discover how the limit of secant lines leads to the instantaneous rate of change (the derivative).

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Lenny
1/19
Lesson
Root Clues Slides
Root Clues Discussion Cards
Root Clues Worksheet
Root Clues Teacher Guide

Root Clues

Students will master Vieta's Formulas to identify the relationship between a quadratic equation's coefficients and its roots, enabling them to check their work efficiently and derive equations from given sums and products.

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Lenny
1/19
Lesson
Infinity Trap Slides
Infinity Trap Worksheet
Infinity Reflection Prompts
Infinity Trap Answer Key

Infinity Sign Traps

A Calculus lesson focusing on the nuances of limits at negative infinity, specifically how odd/even degrees and square roots create 'sign traps' for students.

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Lenny
1/19
Lesson
Asymptote Alchemy Teacher Guide
Alchemist Field Notes Worksheet
Asymptote Sorting Hat Cards
Asymptote Sorting Hat Mats
Asymptote Alchemy Slides

Asymptote Alchemy

A Precalculus lesson exploring the end behavior of rational functions through graphical analysis and algebraic intuition. Students use polynomial degrees to predict horizontal asymptotes and formalize their findings using limit notation.

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Lenny
1/19
Lesson
Skeleton Key Teacher Guide
Skeleton Key Presentation Slides
Skeleton Blueprint Worksheet
Skeleton Drafting Paper
Skeleton Blueprint Answer Key

Skeleton Key Discontinuities

Students will learn to identify and classify discontinuities in rational functions as either vertical asymptotes or holes by factoring and analyzing domain restrictions, then use these features to create a 'graphical skeleton' for the function.

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Lenny
1/19
Lesson
Summation Showdown Slides
Summation Cheat Sheet
Sequence Sorting Cards
Summation Facilitator Guide

Summation Showdown

A Pre-Calculus lesson focused on distinguishing between arithmetic and geometric sequences and applying the finite geometric sum formula through visual analysis and active sorting.

Lenny Avatar
Lenny
1/19
Lesson
Chaos at the Origin Worksheet
Chaos at the Origin Slides
Chaos at the Origin Answer Key

Chaos at the Origin

Students investigate the behavior of functions with oscillating discontinuities, specifically focusing on the limit of \(\sin(1/x)\) as \(x \to 0\) compared to bounded oscillating functions like \(x \cdot \sin(1/x)\). The lesson uses a combination of video analysis and digital graphing tools to explore the formal definition of limit failure due to oscillation.

Lenny Avatar
Lenny
1/19
Lesson
Towering Powers Lesson Plan
Towering Powers Slides
Notation Translation Worksheet
Notation Translation Answer Key

Towering Powers

A comprehensive lesson introducing undergraduate students to tetration through the hyperoperation sequence, Knuth's up-arrow notation, and the Ackermann function. Students will formalize the definition of repeated exponentiation and analyze its growth and non-commutative properties.

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Lenny
1/19
Lesson
The Vanishing Gap Teacher Guide
The Vanishing Gap Slides
The Vanishing Gap Investigation Worksheet
The Vanishing Gap Answer Key

The Vanishing Gap

A Pre-Calculus lesson exploring oblique asymptotes through numerical analysis, focusing on the conceptual 'vanishing' of the remainder term as x approaches infinity.

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Lenny
1/19
Lesson
Euler's Race Slides
Euler's Race Worksheet
Euler's Race Teacher Guide

Euler's Race to e

A Pre-Calculus lesson exploring the constant e through limit definitions and numerical convergence. Students will 'race' to calculate e to high precision using two different limit formulas and evaluate their performance.

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Lenny
1/19
Lesson
Convergence Lab Worksheet
Euler Engine Slides
Calculator Toolkit Reference
Convergence Lab Answer Key

Factorial Fast Track

Students explore the rapid convergence of the infinite series for e, comparing the efficiency of factorials to the standard limit definition. The lesson bridges the gap between basic limits and the Taylor Series for e^x.

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Lenny
1/19
Lesson
Golden Mean Worksheet
Golden Mean Discussion Cards
Golden Mean Answer Key
Golden Mean Slides

Golden Mean Convergence

Students will investigate the geometric mean property of the Fibonacci sequence, comparing estimations of high-index terms using geometric means versus the Golden Ratio method. The lesson explores the convergence of recursive sequences to geometric behavior for large n.

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Lenny
1/19
Lesson
The Golden Root Lesson Plan
The Golden Root Slideshow

The Golden Root

A high-level algebra and calculus lesson where students derive the exact value of the Golden Ratio using characteristic equations and solve variant recurrence relations.

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Lenny
1/19
Lesson
Financial Lab Teacher Guide
Infinity Limit Slides
Interest Limit Worksheet

The Infinity Limit

Students explore the mathematical constant 'e' through the lens of continuous compound interest, investigating how increasing compounding frequency leads to diminishing returns and a fundamental limit.

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Lenny
1/19
Lesson
Infinite Loops Worksheet
Infinite Loops Slides
Infinite Loops Teacher Guide

Infinite Loops

A lesson on recursive sequences where students analyze quadratic growth through video observation, manual calculation, and graphing. Students transition from understanding subscript notation to visualizing the rapid expansion of recursive functions.

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Lenny
1/19
Lesson
Asymptote Limits Lesson Plan
Asymptote Limits Presentation
Blueprint Asymptotes Anchor Chart
Calculus Connection Worksheet
Calculus Connection Key

Asymptote Blueprints

A 12th-grade Pre-Calculus lesson connecting the algebraic evaluation of infinite limits and limits at infinity to the visual behavior of vertical and horizontal asymptotes. Students analyze reciprocal functions from a video to bridge the gap between algebra and calculus.

Lenny Avatar
Lenny
1/19
Lesson
Limit Lab Teacher Guide
Limit Lab Slides
The Why Worksheet
The Why Answer Key
Asymptote Anchor Chart

The Limit Lab

In this 12th-grade Intro to Calculus lesson, students connect algebraic shortcuts for horizontal asymptotes to the rigorous concept of limits at infinity. They move beyond memorized rules to derive the 'Ratio of Coefficients' property by dividing rational functions by the highest power of x.

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Lenny
1/19
Lesson
Limit Lab Manual Worksheet
Transcendental Limit Lab Slides
Limit Lab Teacher Guide

Transcendental Limit Lab

An undergraduate-level exploration into the behavior of transcendental functions at infinity, focusing on the distinction between unbounded growth and oscillatory non-existence. Students will analyze sine waves, exponentials, and damped oscillations to master formal limit notation and end-behavior analysis.

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Lenny
1/19
Lesson
Power Shift Slides
Growth Lab Guide
Facilitation Guide
Growth Lab Answer Key

Exponential Power Shift

Students analyze how the compounding period and exponent coefficients affect the growth rate of exponential functions, transitioning from standard forms to manipulated models using algebraic properties and graphing technology.

Lenny Avatar
Lenny
1/19
Lesson
Power Play Slides
Method Battle Instructions
Method Battle Rubric
Power Play Teacher Guide

Power Play

A high-energy math club session focused on solving complex exponential equations using algebraic symmetry versus logarithmic methods, featuring a competitive 'Method Battle'.

Lenny Avatar
Lenny
1/19
Lesson
Bisection Bot Slides
Bisection Flowchart Template
Bisection Bot Scratchpad
Bisection Bot Teacher Guide

Bisection Bot Algorithm

Students formalize the 'successive approximation' method into the Bisection Method algorithm by designing a flowchart for a 'robot' to solve transcendental equations. The lesson bridges numerical estimation and computer science logic.

Lenny Avatar
Lenny
1/19
Lesson
Security Expert Teacher Guide
Password Cracker Worksheet
Permutation Protocols Slides

Permutation Protocols

A cybersecurity-themed lesson exploring the mathematics of permutations. Students analyze password security by calculating possible combinations with and without repetition and determining 'cracking time' for different security policies.

Lenny Avatar
Lenny
1/19
Lesson
Coexistence Slides
Population Pivot Worksheet
Recursive Roots Solution Key

Recurrence Systems

Extending recurrence logic to coupled systems, modeling predator-prey dynamics with matrix methods to predict long-term population stability or extinction.

Lenny Avatar
Lenny
1/18
Lesson
Phi Finder Slides
Binet Derivation Worksheet

Fibonacci and Phi

A deep dive into the properties of the Fibonacci sequence, deriving Binet's Formula and exploring the mathematical emergence of the Golden Ratio in nature.

Lenny Avatar
Lenny
1/18
Lesson
Second Order Slides
Rabbit Breeding Worksheet

Second Order Homogeneous

Introduction to second-order relations through the lens of Fibonacci's rabbits, teaching students to solve characteristic equations and construct general solutions.

Lenny Avatar
Lenny
1/18
Lesson
Clinical Concentration Solutions
Clinical Calculus Worksheet
Concentration Curves Slides

Rational Realities

Master the art of solving real-world rational function equations, focusing on clinical drug concentration models and rate-based applications. Students will learn to translate verbal scenarios into rational equations and apply algebraic techniques to find precise solutions.

MR

Mahuya Roy Chowdhury

Math Teacher
3/3
Lesson
Intégrales Éco Slides
Intégrales Éco Exercices
Intégrales Éco Corrigés

Calcul Intégral Économique

Une leçon complète sur le calcul intégral appliqué à l'économie, couvrant l'intégration par parties, l'indice de Gini et les surplus du consommateur et du producteur.

JL

Jonathan Leple

Other
3/2
Lesson
Titanic Trig Study Guide
Titanic Trig Flashcards Part 1
Titanic Trig Flashcards Part 2
Titanic Navigational Chart

Titanic Trigonometry

A maritime-themed lesson exploring trigonometry through the lens of the Titanic's maiden voyage. Students master unit circle coordinates and trigonometric values using historical figures and navigation scenarios.

J

jlaroux

Math Teacher
2/24
Lesson
TSIA2 Math Practice Test
TSIA2 Math Answer Key

TSIA2 Math Mastery

A comprehensive 20-question practice test covering all four TSIA2 Math domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Lesson
Wave Navigator Notes Handout
Wave Navigator Slides
Wave Navigator Answer Key
Wave Navigator Exit Ticket

Wave Navigator

A comprehensive lesson on graphing Sine and Cosine functions, featuring guided notes, instructional slides, and a detailed answer key. Students will learn to identify amplitude, period, midline, and phase shifts to accurately sketch periodic graphs.

AP

Abha Poddar

Math Teacher
1/23
Lesson
Volcano Flight Slides
Volcano Flight Worksheet
Quadratic Calculator Guide
Volcano Flight Teacher Guide

Volcano Flight Challenge

Students will master projectile motion by applying the quadratic formula to solve for flight time. The lesson uses a volcano-themed scenario to bridge abstract algebra with physical kinematics, including a deep dive into interpreting mathematical results like negative time.

Lenny Avatar
Lenny
1/19
Lesson
Series Sleuths Slides
Error Analysis Worksheet
Error Analysis Answer Key

Series Sleuths

A high-level mathematics lesson focused on distinguishing between sequences and series, determining convergence, and performing error analysis on complex geometric problems. Students will watch targeted practice segments and correct common mathematical misconceptions.

Lenny Avatar
Lenny
1/19
Lesson
Radical Roots Slides
Root Detective Investigation Guide
Radical Roots Facilitation Guide
Graphing Calculator Reference

Radical Roots Analysis

A high-level honors algebra lesson focusing on the algebraic and graphical nature of extraneous solutions in radical equations, featuring a double-square problem and graphing calculator investigation.

Lenny Avatar
Lenny
1/19
Lesson
Radical Intersection Slides
Radical Recon Worksheet
Radical Solutions Facilitator Guide
Radical Recon Answer Key

Radical Intersections

Students will solve complex radical equations algebraically and verify their solutions using graphical intersections on Desmos, while considering domain restrictions.

Lenny Avatar
Lenny
1/19
Lesson
Sum Search Lesson Plan
Sum Search Slides
Sum Search Worksheet
Sum Search Answer Key

Sum Search

A Pre-Calculus lesson on infinite geometric series, focusing on determining convergence using the common ratio and calculating sums for convergent series. Includes a forensic-themed activity to engage students in mathematical analysis.

Lenny Avatar
Lenny
1/19
Lesson
Chaos at the Origin Worksheet
Chaos at the Origin Slides
Chaos at the Origin Answer Key

Chaos at the Origin

Students investigate the behavior of functions with oscillating discontinuities, specifically focusing on the limit of \(\sin(1/x)\) as \(x \to 0\) compared to bounded oscillating functions like \(x \cdot \sin(1/x)\). The lesson uses a combination of video analysis and digital graphing tools to explore the formal definition of limit failure due to oscillation.

Lenny Avatar
Lenny
1/19
Lesson
Interval Notation Key Handout
Mapping the Range Slides
Range Scavenger Hunt Sheet
Piecewise Scavenger Hunt Cards

Mapping the Range

This lesson focuses on finding the range of complex piecewise functions through visual projection and interval notation, featuring a video breakdown and a kinesthetic scavenger hunt activity.

Lenny Avatar
Lenny
1/19
Lesson
Mission Briefing Guide
Signal Scout Slides
Hidden Zero Investigation Worksheet
Frequency Flux Discussion Cards

Signal Scanners

A Pre-Calculus lesson focused on analyzing polynomial signs within intervals, specifically how interior zeros necessitate sign changes. Includes a video analysis of 'crossing' the axis and an exploration of even multiplicity 'touch and turn' behavior.

Lenny Avatar
Lenny
1/19
Lesson
Behavior Command Teacher Guide
End Behavior Slides
Notation Battleship Worksheet
Limit Launch Exit Ticket

End Behavior Command

Students will learn to translate between visual polynomial end behavior and formal limit notation, identifying how degree parity and leading coefficient signs dictate a function's behavior as x approaches infinity.

Lenny Avatar
Lenny
1/19
Lesson
Curve Cracker Worksheet
The Great Approach Slides
Rate Navigator Reference Sheet

The Great Approach

This lesson introduces students to the distinction between average and instantaneous rates of change. Students analyze non-linear functions, watch a video on real-world applications, and perform a limiting process activity to see how average rates approach instantaneous speed.

Lenny Avatar
Lenny
1/19
Lesson
Rational Roadmap Worksheet
Attribute Blueprint Chart
Rational Roadmap Slides
Rational Roadmap Key Teacher Resource

Rational Roadmap Rules

A comprehensive lesson on analyzing rational functions where students synthesize rules for asymptotes, holes, and intercepts into a master attribute table. Students then apply these rules to various equations to identify key graphical features without the use of technology.

Lenny Avatar
Lenny
1/19
Lesson
Hole Hunter Worksheet
Hidden Holes Slides
Coordinate Grid Resource
Gap Logic Exit Ticket
Hole Hunter Answer Key

Hidden Holes

Students will learn to distinguish between vertical asymptotes and removable discontinuities (holes) in rational functions. Through a warm-up, video analysis, and a 'Hole Hunter' activity, students will master identifying and calculating the coordinates of these 'missing points'.

Lenny Avatar
Lenny
1/19
Lesson
Asymptote Blueprint Slides
Asymptote Sort Cards
Blueprint Discussion Cards
Asymptote Architect Teacher Guide

Asymptote Architecture

Students explore the relationship between the degrees of the numerator and denominator in rational functions to determine horizontal and oblique asymptote behavior. The lesson includes a blueprint-themed sorting activity and visual discussion prompts.

Lenny Avatar
Lenny
1/19
Lesson
Blueprint for Limits Lesson Plan
Rational Blueprint Worksheet
Limit Logic Journal Prompts
Blueprint Key Teacher Guide

Blueprint for Limits

This AP Calculus review lesson bridges the gap between algebraic rational function rules and formal limit notation, using visual sketching as a framework for understanding asymptotic behavior and continuity. Students translate pre-calculus 'rules' into calculus 'logic' to prepare for the formal definition of limits.

Lenny Avatar
Lenny
1/19
Lesson
Secret Base Slides
Base Finder Whiteboard Template
Secret Base Teacher Guide

The Secret Base

A lesson introducing Euler's number (e), the distinction between common and natural logarithms, and the convention of implied bases in mathematical notation.

Lenny Avatar
Lenny
1/19
Lesson
Clinical Concentration Solutions
Clinical Calculus Worksheet
Concentration Curves Slides

Rational Realities

Master the art of solving real-world rational function equations, focusing on clinical drug concentration models and rate-based applications. Students will learn to translate verbal scenarios into rational equations and apply algebraic techniques to find precise solutions.

MR

Mahuya Roy Chowdhury

Math Teacher
3/3
Lesson
Intégrales Éco Slides
Intégrales Éco Exercices
Intégrales Éco Corrigés

Calcul Intégral Économique

Une leçon complète sur le calcul intégral appliqué à l'économie, couvrant l'intégration par parties, l'indice de Gini et les surplus du consommateur et du producteur.

JL

Jonathan Leple

Other
3/2
Lesson
Volcano Flight Slides
Volcano Flight Worksheet
Quadratic Calculator Guide
Volcano Flight Teacher Guide

Volcano Flight Challenge

Students will master projectile motion by applying the quadratic formula to solve for flight time. The lesson uses a volcano-themed scenario to bridge abstract algebra with physical kinematics, including a deep dive into interpreting mathematical results like negative time.

Lenny Avatar
Lenny
1/19
Lesson
Frankenstein Functions Presentation
Frankenstein Functions Worksheet
Frankenstein Functions Rubric
Frankenstein Functions Teacher Guide

Frankenstein Functions

A Precalculus lesson where students construct complex piecewise 'monster' functions using algebraic 'body parts' to satisfy specific limit and continuity requirements.

Lenny Avatar
Lenny
1/19
Lesson
The Binomial Connection Worksheet
The Binomial Connection Slides
The Binomial Connection Anchor Chart
The Binomial Connection Teacher Guide

The Binomial Connection

A lesson connecting perfect square and cube factoring formulas to the geometric patterns of Pascal's Triangle. Students analyze coefficients and use the Binomial Theorem to predict higher-order expansions.

Lenny Avatar
Lenny
1/19
Lesson
Growth Lab Teacher Guide
Growth Lab Slides
Millionaire Math Worksheet
Log Logic Cheat Sheet

Exponential Growth Lab

A high school mathematics lesson exploring the constant e, continuous compound interest, and using natural logarithms and the change of base rule to solve for time in growth and decay models.

Lenny Avatar
Lenny
1/19
Lesson
Syntax Snafu Worksheet
Syntax Snafu Slides
Syntax Snafu Teacher Guide

Syntax Snafu

A Pre-Calculus lesson exploring the critical role of calculator syntax and grouping symbols through the lens of geometric series sum formulas. Students learn to navigate the 'limitations' of digital tools by mastering formula structure and parentheses.

Lenny Avatar
Lenny
1/19
Lesson
Interest Insight Anchor Chart
Bank Battle Worksheet

Interest Rate Showdown

A lesson exploring the mathematical difference between Annual Percentage Rate (APR) and Annual Percentage Yield (APY) through real-world financial modeling of savings and loans. Students will calculate effective interest rates to make informed banking decisions.

Lenny Avatar
Lenny
1/19
Lesson
Function Blueprints Slides
Graph Detective Worksheet
Quick Draw Coordinate Planes
Case File Teacher Guide

Function Blueprints

Students will learn to construct equations for rational functions of the form f(x) = 1/(x-h) + k by identifying horizontal and vertical asymptotes from graphs and using specific points for verification.

Lenny Avatar
Lenny
1/19
Lesson
Euler Constant Presentation Slides
Proof Workshop Handout
Proof Workshop Answer Key
Natural Constant Exit Ticket

Euler's Constant Synthesis

An undergraduate-level exploration of Euler's number (e) that synthesizes its financial, analytical, and series-based definitions through a rigorous proof-based approach.

Lenny Avatar
Lenny
1/19
Lesson
Periodic Pulse Worksheet
Wave Whisperer Cards
Periodic Pulse Answer Key
Periodic Pulse Slides

Periodic Pulse

Students will learn to derive sine and cosine equations from periodic graphs, focusing on the strategic choice between functions based on phase shifts and key points. This lesson uses a high-quality video walkthrough and collaborative discussion to master the a, b, c, and d transformations.

Lenny Avatar
Lenny
1/19
Lesson
Ride Physics Slides
Modeling Ride Worksheet
Ride Analysis Rubric
Modeling Ride Answer Key

The Geometry of Joy

Students will apply their knowledge of trigonometric transformations to model the movement of a Ferris wheel. They will identify key parameters (amplitude, midline, period, phase shift) from real-world data and construct periodic equations.

Lenny Avatar
Lenny
1/19
Lesson
Curve Fitting Slides
Broken Blueprint Worksheet
Curve Fitters Teacher Guide

Curve Fitters

This lesson explores analytic geometry through the lens of rational functions. Students learn how to derive a specific function's parameters using systems of equations and data points, with a strong emphasis on error analysis and verification.

Lenny Avatar
Lenny
1/19
Lesson
Detective Briefing Teacher Guide
Phantom Zero Slides
Imaginary Friends Activity Cards
Phantom Zero Exit Ticket

The Phantom Zero

Students will master the Conjugate Root Theorem by identifying missing imaginary zeros, expanding complex factors, and solving for the vertical stretch 'a' to construct complete cubic functions from specific points.

Lenny Avatar
Lenny
1/19
Lesson
The Golden Root Lesson Plan
The Golden Root Slideshow

The Golden Root

A high-level algebra and calculus lesson where students derive the exact value of the Golden Ratio using characteristic equations and solve variant recurrence relations.

Lenny Avatar
Lenny
1/19
Lesson
Growth Lab Slides
Log Logic Transcript
Variable Hunt Problem Set
Growth Lab Rubric

Logarithmic Growth Lab

This lesson focuses on applying logarithmic properties to solve real-world continuous growth problems. Students deconstruct a video tutorial to identify algebraic principles and then apply those skills to complex financial scenarios involving variable isolation.

Lenny Avatar
Lenny
1/19
Lesson
Loop Logic Presentation Slides
Polar Blueprint Paper
Loop Design Rubric
Logic Checkpoints Worksheet
Loop Logic Teacher Guide

Loop Logic

Students design a vertical roller coaster loop using polar coordinates and complex roots, exploring real-world applications of circular motion as seen in engineering and radar systems.

Lenny Avatar
Lenny
1/19
Lesson
Time Cycle Slides
Model Builders Worksheet
Time Cycle Teacher Guide

Time Cycles

This lesson focuses on interpreting the parameters of exponential models, specifically focusing on how the denominator of the exponent represents the time required for a specific growth or decay factor to occur. Students will analyze real-world scenarios, watch an instructional video, and build their own models in a collaborative activity.

Lenny Avatar
Lenny
1/19
Lesson
Financial Lab Teacher Guide
Infinity Limit Slides
Interest Limit Worksheet

The Infinity Limit

Students explore the mathematical constant 'e' through the lens of continuous compound interest, investigating how increasing compounding frequency leads to diminishing returns and a fundamental limit.

Lenny Avatar
Lenny
1/19
Lesson
Crisis Response Worksheet
Pathogen Scenario Cards
Outbreak Modeling Presentation Slides
Outbreak Modeling Teacher Guide

Outbreak Modeling

This lesson guides students through constructing exponential models for bacterial and viral growth, focusing on the mathematical derivation of exponents when time units (minutes vs. hours) differ. Students will watch a targeted video segment, analyze growth rates, and apply their knowledge to a 'Crisis Simulation' scenario.

Lenny Avatar
Lenny
1/19
Lesson
Clinical Concentration Solutions
Clinical Calculus Worksheet
Concentration Curves Slides

Rational Realities

Master the art of solving real-world rational function equations, focusing on clinical drug concentration models and rate-based applications. Students will learn to translate verbal scenarios into rational equations and apply algebraic techniques to find precise solutions.

MR

Mahuya Roy Chowdhury

Math Teacher
3/3
Lesson
Signal Scan Slides
Mystery Signals Worksheet
Analyst Handbook Teacher Guide

Signal Scan Polynomials

Students learn to predict and describe polynomial end behavior using the Leading Coefficient Test through physical 'aerobics', a guided video analysis, and a 'Mystery Function' matching activity. The lesson culminates in a reflection on identifying the leading term in non-standard form polynomials.

Lenny Avatar
Lenny
1/19
Lesson
The Binomial Connection Worksheet
The Binomial Connection Slides
The Binomial Connection Anchor Chart
The Binomial Connection Teacher Guide

The Binomial Connection

A lesson connecting perfect square and cube factoring formulas to the geometric patterns of Pascal's Triangle. Students analyze coefficients and use the Binomial Theorem to predict higher-order expansions.

Lenny Avatar
Lenny
1/19
Lesson
Secret Base Slides
Base Finder Whiteboard Template
Secret Base Teacher Guide

The Secret Base

A lesson introducing Euler's number (e), the distinction between common and natural logarithms, and the convention of implied bases in mathematical notation.

Lenny Avatar
Lenny
1/19
Lesson
Limit Law Worksheet Blueprint
Limit Law Reflection Prompts
Limit Law Instructional Slides
Limit Law Teacher Key

Limit Law Blueprint

A calculus lesson focusing on the application of Power and Root laws to evaluate complex rational limits. Students will construct a 'Law Map' to visualize the algebraic steps and discuss the implications of zero denominators.

Lenny Avatar
Lenny
1/19
Lesson
Syntax Snafu Worksheet
Syntax Snafu Slides
Syntax Snafu Teacher Guide

Syntax Snafu

A Pre-Calculus lesson exploring the critical role of calculator syntax and grouping symbols through the lens of geometric series sum formulas. Students learn to navigate the 'limitations' of digital tools by mastering formula structure and parentheses.

Lenny Avatar
Lenny
1/19
Lesson
Interest Insight Anchor Chart
Bank Battle Worksheet

Interest Rate Showdown

A lesson exploring the mathematical difference between Annual Percentage Rate (APR) and Annual Percentage Yield (APY) through real-world financial modeling of savings and loans. Students will calculate effective interest rates to make informed banking decisions.

Lenny Avatar
Lenny
1/19
Lesson
Log Launchpad Slides
Speed Expansion Worksheet
Log Expansion Rubric
Speed Expansion Answer Key

Log Launchpad

A high-speed review of logarithmic expansion properties designed to build the algebraic fluency required for Calculus. Students learn to recognize patterns in complex rational expressions to expand logs instantly, facilitating easier differentiation and integration.

Lenny Avatar
Lenny
1/19
Lesson
Velocity Vault Facilitation Guide
Velocity Vault Slides
Motion Mission Worksheet
Scenario Log Cards
Technical Graph Paper
Velocity Vault Answer Key
Calculator Protocol Sheet

Velocity Vault

A Precalculus lesson exploring the distinction between speed and velocity using polynomial functions to model a drop tower ride. Students analyze velocity-time graphs, calculate instantaneous speeds, and address common misconceptions about motion graphs.

Lenny Avatar
Lenny
1/19
Lesson
Tangent Slope Teacher Guide
Tangent Slope Slides
Tangent Slope Worksheet
Tangent Slope Answer Key
Tangent Slope Graph Paper

Secant to Tangent Transformation

This lesson introduces the concept of a tangent line's slope as the limit of secant line slopes, transitioning students from Algebra 1 slope calculations to the foundational definition of a derivative. Students will use graphing and numerical estimation to see how a secant line 'becomes' a tangent line as the distance between points approaches zero.

Lenny Avatar
Lenny
1/19
Lesson
Time Cycle Slides
Model Builders Worksheet
Time Cycle Teacher Guide

Time Cycles

This lesson focuses on interpreting the parameters of exponential models, specifically focusing on how the denominator of the exponent represents the time required for a specific growth or decay factor to occur. Students will analyze real-world scenarios, watch an instructional video, and build their own models in a collaborative activity.

Lenny Avatar
Lenny
1/19
Lesson
Crisis Response Worksheet
Pathogen Scenario Cards
Outbreak Modeling Presentation Slides
Outbreak Modeling Teacher Guide

Outbreak Modeling

This lesson guides students through constructing exponential models for bacterial and viral growth, focusing on the mathematical derivation of exponents when time units (minutes vs. hours) differ. Students will watch a targeted video segment, analyze growth rates, and apply their knowledge to a 'Crisis Simulation' scenario.

Lenny Avatar
Lenny
1/19
Lesson
Root Clues Slides
Root Clues Discussion Cards
Root Clues Worksheet
Root Clues Teacher Guide

Root Clues

Students will master Vieta's Formulas to identify the relationship between a quadratic equation's coefficients and its roots, enabling them to check their work efficiently and derive equations from given sums and products.

Lenny Avatar
Lenny
1/19
Lesson
Log Proof Audit Slides
Proof Investigation Worksheet
Proof Investigation Answer Key

Log Proof Audit

An advanced honors algebra lesson focused on developing mathematical rigor by identifying and correcting common algebraic misconceptions in logarithmic proofs. Students analyze 'broken' proofs, watch a targeted demonstration, and perform a detailed error analysis of complex logarithmic identities.

Lenny Avatar
Lenny
1/19
Lesson
Interest Insights Teacher Guide
Frequency Frenzy Slides
Compound Climb Activity

The Compounding Curve

A high school lesson investigating how the frequency of compounding interest affects long-term investment returns through calculation and graphing.

Lenny Avatar
Lenny
1/19
Lesson
Root Race Problem Set
Radical Rivals Slides
Root Race Answer Key

Radical Rivals

A high-energy session for advanced math students focusing on rapid simplification of nested and composite radicals using shortcut formulas and rational exponent theory. Includes a competitive hook and competition-style group challenges.

Lenny Avatar
Lenny
1/19
Lesson
Architect Facilitation Guide
Exponent Architect Slides
Problem Blueprint Worksheet
Architectural Rubric

Exponent Architects

A lesson where students reverse-engineer exponential equations of the form a^(x+n) + a^x = C. By working backward from a chosen solution, students master exponent properties and factoring techniques before swapping with peers to test their designs.

Lenny Avatar
Lenny
1/19
Lesson
Infinity Trap Slides
Infinity Trap Worksheet
Infinity Reflection Prompts
Infinity Trap Answer Key

Infinity Sign Traps

A Calculus lesson focusing on the nuances of limits at negative infinity, specifically how odd/even degrees and square roots create 'sign traps' for students.

Lenny Avatar
Lenny
1/19
Lesson
Power Shift Slides
Growth Lab Guide
Facilitation Guide
Growth Lab Answer Key

Exponential Power Shift

Students analyze how the compounding period and exponent coefficients affect the growth rate of exponential functions, transitioning from standard forms to manipulated models using algebraic properties and graphing technology.

Lenny Avatar
Lenny
1/19
Lesson
Metric Matrix Slides
Warped Paths Guide
Geometry Final Review

Tensors and Non-Euclidean Metrics

An advanced introduction to the metric tensor and non-Euclidean geometry, serving as a primer for General Relativity.

Lenny Avatar
Lenny
1/18
Lesson
Wave Navigator Notes Handout
Wave Navigator Slides
Wave Navigator Answer Key
Wave Navigator Exit Ticket

Wave Navigator

A comprehensive lesson on graphing Sine and Cosine functions, featuring guided notes, instructional slides, and a detailed answer key. Students will learn to identify amplitude, period, midline, and phase shifts to accurately sketch periodic graphs.

AP

Abha Poddar

Math Teacher
1/23
Lesson
Deconstruction Lab Worksheet
Function Anatomy Slides
Function Anatomy Anchor Chart
Deconstruction Lab Answer Key

Function Anatomy

This lesson focuses on the skill of decomposing composite functions, a prerequisite for the Chain Rule in Calculus. Students will analyze the relationship between 'inner' and 'outer' functions through video observation, algebraic reverse engineering, and conceptual discussion.

Lenny Avatar
Lenny
1/19
Lesson
Function Fusion Slides
Expansion Challenge Worksheet
Expansion Rubric
Expansion Answer Key

Function Fusion Expansion Mastery

A high-school algebra lesson focused on avoiding the 'power of a sum' error when expanding binomials within composite functions, featuring video-guided instruction and a hands-on expansion challenge.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Exchange Worksheet
Inverse Exchange Slides
Inverse Exchange Anchor Chart
Inverse Exchange Graph Paper
Inverse Exchange Teacher Guide

The Inverse Exchange

A Pre-Calculus lesson focused on the relationship between exponential and logarithmic functions through the lens of domain and range swapping. Students analyze transformations, identify key features like asymptotes, and verify inverse relationships graphically.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Reflection Facilitation Guide
Inverse Reflection Slides
Base e Graphing Notes
Inverse Mirror Discussion Cards
Logarithmic Reflection Journal

Inverse Reflection

A Pre-Calculus lesson exploring the geometric relationship between exponential and natural logarithmic functions as inverses, featuring video analysis and side-by-side graphical comparisons.

Lenny Avatar
Lenny
1/19
Lesson
Interval Notation Handout
Interval Notation Slides
Interval Notation Teacher Guide

Interval Notation Relay

A high-energy honors algebra lesson where students master interval notation through the lens of reciprocal functions, culminating in a fast-paced 'Interval Notation Relay' using transformed graphs.

Lenny Avatar
Lenny
1/19
Lesson
Scaling Investigation Slides
Scaling Operations Anchor Chart
Transformation Log Journal
Scaling Logic Teacher Guide

The Inside Job

A deep dive into horizontal scaling in Pre-Calculus, focusing on the counterintuitive nature of 'inside' transformations and the algebraic logic of dividing inputs.

Lenny Avatar
Lenny
1/19
Lesson
Frankenstein Functions Presentation
Frankenstein Functions Worksheet
Frankenstein Functions Rubric
Frankenstein Functions Teacher Guide

Frankenstein Functions

A Precalculus lesson where students construct complex piecewise 'monster' functions using algebraic 'body parts' to satisfy specific limit and continuity requirements.

Lenny Avatar
Lenny
1/19
Lesson
Navigator Log Worksheet
Graph Arena Printout
Hop Cards Activity
Graph Hoppers Slides
Control Center Guide

Graph Hoppers

Students master the evaluation of composite functions by 'hopping' between multiple graphical representations, using the output of one function as the input for the next. The lesson progresses from basic algebraic review to complex triple-nested graphical evaluations and introduces inverse relationships.

Lenny Avatar
Lenny
1/19
Lesson
Error Clinic Presentation
Error Analysis Worksheet
Red Pens Facilitation Guide
Error Analysis Answer Key

Reflective Repair

Students troubleshoot algebraic errors in function reflections over the x and y axes. Using a medical diagnostic theme, they identify distribution mistakes and exponent sign errors to 'heal' broken functions.

Lenny Avatar
Lenny
1/19
Lesson
Parity Puzzles Worksheet
Reflection Rules Slides
Symmetry Sorting Cards
Reflection Rules Anchor Chart Reference

Mathematical Mirrors

Students will explore even and odd functions by applying reflection rules algebraically and graphically. The lesson includes a video-guided analysis of how functions 'absorb' or 'keep' negative signs through substitution.

Lenny Avatar
Lenny
1/19
Lesson
Symmetry Specialist Teacher Guide
Mirror Dimension Slides
Relay Task Cards
Sign Shift Exit Ticket

Mirror Dimension Transformations

A high-energy Pre-Calculus lesson where students master algebraic transformations of polynomial functions through interactive video analysis and a collaborative 'Algebraic Relay' activity. Students focus on the nuances of distributing negatives and the impact of parity in exponents on function reflections.

Lenny Avatar
Lenny
1/19
Lesson
Hyperbola Anatomy Anchor Chart
Hyperbola Hunt Worksheet
Hyperbola Hunt Slides

Hyperbola Hunt

A comprehensive lesson on hyperbola properties, focusing on calculating foci, determining asymptote equations via the fundamental rectangle, and converting between general and standard forms. Includes a video-guided tutorial and a 'Hyperbola Hunters' graphing activity.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Trig Teacher Guide
Domain Doctors Worksheet
Inverse Surgery Slides
Arcsin Anatomy Exit Ticket

Inverse Trig Surgery

In this Precalculus lesson, students investigate why trigonometric functions require domain restrictions to be invertible. Using a medical surgery theme, students 'perform surgery' on sine, cosine, and tangent graphs to isolate the standard restricted intervals used for inverse functions.

Lenny Avatar
Lenny
1/19
Lesson
The Composition Trap Slides
Composition Trap Worksheet
Composition Trap Answer Key

The Composition Trap

Students will master the evaluation of composite inverse trigonometric functions, specifically learning how to identify when function 'cancellation' is valid and when restricted range adjustments are required.

Lenny Avatar
Lenny
1/19
Lesson
Reflection Point Slides
Reflection Lab Worksheet
Reflection Lab Rubric

Reflection Point

A 12th Grade/College Algebra lesson focused on the visual and algebraic relationship between functions and their inverses. Students use a 'Fold and Trace' activity to discover symmetry over the line y=x.

Lenny Avatar
Lenny
1/19
Lesson
Relay Race Worksheet
Composition Blueprints Slides
Reflection Journal Prompts
Facilitator Guide Composites

Composite Blueprints

A Pre-Calculus lesson focused on mastering composite functions through graphical analysis, algebraic substitution, and a collaborative relay activity. Students explore the significance of order in composition and the notation of nested functions.

Lenny Avatar
Lenny
1/19
Lesson
Domain Detective Worksheet
Final Verdict Exit Ticket
Domain Detectives Presentation
Domain Detective Teacher Guide

Domain Detectives

Students will investigate the 'crime scene' of composite functions to find hidden domain restrictions. This lesson uses a detective-themed approach to mastering domain constraints in rational and radical compositions, featuring a key video segment and collaborative pair work.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Investigation Anchor Chart
Inverse Verification Slides
Inverse or Imposter Discussion Cards
Inverse or Imposter Teacher Guide
Inverse Lab Report Worksheet

Inverse or Imposter

A high school math lesson focused on verifying inverse functions through algebraic composition and graphical symmetry. Students learn to apply the $f(g(x)) = x$ and $g(f(x)) = x$ test to distinguish between true inverses and mathematical 'imposters'.

Lenny Avatar
Lenny
1/19
Lesson
Restricted Access Presentation Slides
Restricted Access Worksheet
Restricted Access Rubric

Restricted Access

A high-level mathematics lesson focused on defining restricted domains for non-invertible functions to create valid inverse functions, preparing students for calculus and inverse trigonometry.

Lenny Avatar
Lenny
1/19
Lesson
Series Sleuths Slides
Error Analysis Worksheet
Error Analysis Answer Key

Series Sleuths

A high-level mathematics lesson focused on distinguishing between sequences and series, determining convergence, and performing error analysis on complex geometric problems. Students will watch targeted practice segments and correct common mathematical misconceptions.

Lenny Avatar
Lenny
1/19
Lesson
Partial Sum Slides
Blueprint Challenge Worksheet
Summation Toolset Reference
Blueprint Teacher Guide

Partial Sum Blueprint

A high-school level lesson exploring arithmetic sequences, focusing on the transition from manual summation to the partial sum formula using Sigma notation.

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Lenny
1/19
Lesson
Summation Showdown Slides
Summation Cheat Sheet
Sequence Sorting Cards
Summation Facilitator Guide

Summation Showdown

A Pre-Calculus lesson focused on distinguishing between arithmetic and geometric sequences and applying the finite geometric sum formula through visual analysis and active sorting.

Lenny Avatar
Lenny
1/19
Lesson
The Binomial Connection Worksheet
The Binomial Connection Slides
The Binomial Connection Anchor Chart
The Binomial Connection Teacher Guide

The Binomial Connection

A lesson connecting perfect square and cube factoring formulas to the geometric patterns of Pascal's Triangle. Students analyze coefficients and use the Binomial Theorem to predict higher-order expansions.

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Lenny
1/19
Lesson
Sigma Facilitation Guide
Sigma Summit Slides
Sigma Notation Guide
Proof Conversion Worksheet
Sigma Proof Answer Key

Summation Shift

Students will bridge the gap between expanded addition and Sigma notation by translating a traditional arithmetic series proof into formal summation properties.

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Lenny
1/19
Lesson
Exchange Teacher Guide
Exchange Presentation Slides
Derivation Duel Worksheet
Growth Debate Cards
Calc Companion Reference

Exponential Exchange

A Pre-Calculus lesson exploring the conversion between standard exponential growth and continuous growth models using logarithms and the video 'Growth Factor, Decay Factor, Growth Rate, and Rate of Decay'.

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Lenny
1/19
Lesson
Formula Faceoff Teacher Guide
Formula Faceoff Slides
Fibonacci Century Challenge Worksheet
Recursive Reflections Journal

Formula Faceoff

A high-energy math enrichment lesson exploring the power and limitations of recursive versus explicit formulas through the lens of the Fibonacci sequence and Binet's Formula.

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Lenny
1/19
Lesson
Detective Briefing Teacher Guide
Phantom Zero Slides
Imaginary Friends Activity Cards
Phantom Zero Exit Ticket

The Phantom Zero

Students will master the Conjugate Root Theorem by identifying missing imaginary zeros, expanding complex factors, and solving for the vertical stretch 'a' to construct complete cubic functions from specific points.

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Lenny
1/19
Lesson
Golden Mean Worksheet
Golden Mean Discussion Cards
Golden Mean Answer Key
Golden Mean Slides

Golden Mean Convergence

Students will investigate the geometric mean property of the Fibonacci sequence, comparing estimations of high-index terms using geometric means versus the Golden Ratio method. The lesson explores the convergence of recursive sequences to geometric behavior for large n.

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Lenny
1/19
Lesson
The Golden Root Lesson Plan
The Golden Root Slideshow

The Golden Root

A high-level algebra and calculus lesson where students derive the exact value of the Golden Ratio using characteristic equations and solve variant recurrence relations.

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Lenny
1/19
Lesson
Piecewise Power Teacher Guide
Piecewise Power Slides
Real World Scenarios Handout
Piecewise Handout Answer Key

Piecewise Power

Students will dive into the logic of piecewise functions by evaluating and graphing models based on real-world scenarios like tax brackets and data plans. The lesson uses a targeted video clip to clarify the decision-making process for selecting sub-functions based on domain constraints.

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Lenny
1/19
Lesson
Time Cycle Slides
Model Builders Worksheet
Time Cycle Teacher Guide

Time Cycles

This lesson focuses on interpreting the parameters of exponential models, specifically focusing on how the denominator of the exponent represents the time required for a specific growth or decay factor to occur. Students will analyze real-world scenarios, watch an instructional video, and build their own models in a collaborative activity.

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Lenny
1/19
Lesson
Crisis Response Worksheet
Pathogen Scenario Cards
Outbreak Modeling Presentation Slides
Outbreak Modeling Teacher Guide

Outbreak Modeling

This lesson guides students through constructing exponential models for bacterial and viral growth, focusing on the mathematical derivation of exponents when time units (minutes vs. hours) differ. Students will watch a targeted video segment, analyze growth rates, and apply their knowledge to a 'Crisis Simulation' scenario.

Lenny Avatar
Lenny
1/19
Lesson
Series Summation Worksheet
Series Reflection Journal
Series Mastery Guide
Series Summation Answer Key

Series Summation Mastery

A self-paced lesson on finding the sum of arithmetic series using a two-step strategy. Students follow a 'Watch-Pause-Solve' video guide to master identifying terms, calculating the number of terms (n), and applying the summation formula.

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Lenny
1/19
Lesson
Infinite Loops Worksheet
Infinite Loops Slides
Infinite Loops Teacher Guide

Infinite Loops

A lesson on recursive sequences where students analyze quadratic growth through video observation, manual calculation, and graphing. Students transition from understanding subscript notation to visualizing the rapid expansion of recursive functions.

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Lenny
1/19
Lesson
Mean Mysteries Slides
Sequence Detective Worksheet
Sequence Detective Answer Key

Mean Mysteries

Students will distinguish between arithmetic and geometric sequences, learn the specific properties of arithmetic and geometric means, and apply these formulas to find missing terms in sequences.

Lenny Avatar
Lenny
1/19
Lesson
Sigma Sums Worksheet
Sigma Secrets Slides
Sigma Sums Answer Key

Sigma Sums Mastery

Students will master the interpretation and calculation of finite geometric series sums using sigma notation, with a specific focus on series where the starting index is not 1. They will learn to identify the true first term and calculate the total number of terms correctly.

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Lenny
1/19
Lesson
Monster Mash Slides
Monster Creation Guide
Monster Lab Rubric
Monster Lab Teacher Notes

Rational Monster Lab

A high-energy Pre-Calculus lesson where students transition from simple rational equations to complex ones involving quadratics and extraneous solutions, culminating in a creative 'Equation Monster' design activity.

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Lenny
1/19
Lesson
Coexistence Slides
Population Pivot Worksheet
Recursive Roots Solution Key

Recurrence Systems

Extending recurrence logic to coupled systems, modeling predator-prey dynamics with matrix methods to predict long-term population stability or extinction.

Lenny Avatar
Lenny
1/18
Lesson
Phi Finder Slides
Binet Derivation Worksheet

Fibonacci and Phi

A deep dive into the properties of the Fibonacci sequence, deriving Binet's Formula and exploring the mathematical emergence of the Golden Ratio in nature.

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Lenny
1/18
Lesson
Volcano Flight Slides
Volcano Flight Worksheet
Quadratic Calculator Guide
Volcano Flight Teacher Guide

Volcano Flight Challenge

Students will master projectile motion by applying the quadratic formula to solve for flight time. The lesson uses a volcano-themed scenario to bridge abstract algebra with physical kinematics, including a deep dive into interpreting mathematical results like negative time.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Exchange Worksheet
Inverse Exchange Slides
Inverse Exchange Anchor Chart
Inverse Exchange Graph Paper
Inverse Exchange Teacher Guide

The Inverse Exchange

A Pre-Calculus lesson focused on the relationship between exponential and logarithmic functions through the lens of domain and range swapping. Students analyze transformations, identify key features like asymptotes, and verify inverse relationships graphically.

Lenny Avatar
Lenny
1/19
Lesson
Pattern Power Teacher Guide
Pattern Power Slides
Power Grid Worksheet
Logarithm War Card Deck
Strategy Swap Cards

Pattern Power

Students discover the relationship between powers and logarithms through pattern recognition, trial and error, and a competitive card game. The lesson focuses on evaluating logs without calculators by converting them to exponential form.

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Lenny
1/19
Lesson
Log Vault Teacher Guide
Log Vault Slides
Log Vault Foldable Handout
Log Vault Reference Key

Log Formula Vault

A comprehensive lesson for 12th-grade or remedial college math students to master logarithmic formulas through a structured video-based 'Formula Vault' foldable activity. Students learn to condense a full unit into a single-page reference sheet and peer-verify their work.

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Lenny
1/19
Lesson
Syntax Audit Worksheet
Syntax Hunt Slides
Calculator Syntax Guide
Syntax Audit Answer Key

Syntax Error Hunt

This lesson focuses on the precise evaluation of logarithmic expressions using the Change of Base Rule, with a heavy emphasis on calculator syntax and rounding to the thousandths place. Students identify common entry errors in a 'Syntax Error Hunt' activity.

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Lenny
1/19
Lesson
Growth Lab Teacher Guide
Growth Lab Slides
Millionaire Math Worksheet
Log Logic Cheat Sheet

Exponential Growth Lab

A high school mathematics lesson exploring the constant e, continuous compound interest, and using natural logarithms and the change of base rule to solve for time in growth and decay models.

Lenny Avatar
Lenny
1/19
Lesson
Log Logic Teacher Guide
Log Logic Slides
Illegal Log Lab Worksheet
Log Logic Reflection Journal

Log Logic

Students analyze domain constraints of logarithms, investigating why bases cannot be 1 or negative through graphing and exponential proofs.

Lenny Avatar
Lenny
1/19
Lesson
Calculator Pass Worksheet
Base Shifter Slides
Calculator Syntax Reference
Calculator Pass Answer Key

Base Shifter Logarithms

Students will learn the Change of Base Rule to evaluate logarithms of any base using common and natural logarithms. The lesson features a collaborative 'Calculator Pass' activity where students verify results using different bases to confirm the formula's versatility.

Lenny Avatar
Lenny
1/19
Lesson
Exchange Teacher Guide
Exchange Presentation Slides
Derivation Duel Worksheet
Growth Debate Cards
Calc Companion Reference

Exponential Exchange

A Pre-Calculus lesson exploring the conversion between standard exponential growth and continuous growth models using logarithms and the video 'Growth Factor, Decay Factor, Growth Rate, and Rate of Decay'.

Lenny Avatar
Lenny
1/19
Lesson
Towering Powers Lesson Plan
Towering Powers Slides
Notation Translation Worksheet
Notation Translation Answer Key

Towering Powers

A comprehensive lesson introducing undergraduate students to tetration through the hyperoperation sequence, Knuth's up-arrow notation, and the Ackermann function. Students will formalize the definition of repeated exponentiation and analyze its growth and non-commutative properties.

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Lenny
1/19
Lesson
Teacher Facilitation Guide
Lesson Presentation Slides
Student Activity Worksheet
Answer Key Guide

The Extraneous Hunter

A comprehensive Pre-Calculus lesson focused on identifying domain restrictions and isolating extraneous solutions in complex rational equations through algebraic solving and graphical verification.

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Lenny
1/19
Lesson
Variable Swap Teacher Guide
Variable Swap Slides
Advanced Substitution Worksheet
Reflection Journal Prompts
Variable Swap Answer Key

Variable Swap

A high school Pre-Calculus lesson focused on the power of variable substitution to solve non-standard quadratic equations, including fractional indices and trigonometric forms.

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Lenny
1/19
Lesson
Log Lab Teacher Guide
Log Lab Slides
Radical Power Anchor Chart
Radical Log Challenge Activity
Radical Log Answer Key

Radical Log Lab

A Pre-Calculus lesson focused on solving complex logarithmic equations involving radicals and rational exponents using the power rule and substitution strategies.

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Lenny
1/19
Lesson
Log Substitution Slides
Log Substitution Worksheet
Log Substitution Exit Ticket
Log Substitution Teacher Guide

Log Substitution Cracked

A lesson focusing on solving logarithmic equations by distinguishing between power properties and exponents of the logarithm itself, utilizing the substitution method to transform equations into quadratic forms.

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Lenny
1/19
Lesson
Euler Constant Presentation Slides
Proof Workshop Handout
Proof Workshop Answer Key
Natural Constant Exit Ticket

Euler's Constant Synthesis

An undergraduate-level exploration of Euler's number (e) that synthesizes its financial, analytical, and series-based definitions through a rigorous proof-based approach.

Lenny Avatar
Lenny
1/19
Lesson
Rational Rigor Teacher Guide
Rational Rigor Slides
Equation Architects Activity Revised
Equation Architects Answer Key

Rational Rigor

A comprehensive lesson on solving complex rational equations by clearing denominators using the Least Common Denominator (LCD). Includes a video-guided walkthrough, a sign-error discussion, and a collaborative whiteboard activity focusing on quadratic results and extraneous solutions.

Lenny Avatar
Lenny
1/19
Lesson
Log Logic Slides
Unlock the Variable Worksheet
Unlock the Variable Answer Key

Log Logic

Students will learn to condense multiple logarithmic expressions into a single logarithm using product, quotient, and power rules to solve complex logarithmic equations and identify extraneous solutions.

Lenny Avatar
Lenny
1/19
Lesson
Growth Lab Slides
Log Logic Transcript
Variable Hunt Problem Set
Growth Lab Rubric

Logarithmic Growth Lab

This lesson focuses on applying logarithmic properties to solve real-world continuous growth problems. Students deconstruct a video tutorial to identify algebraic principles and then apply those skills to complex financial scenarios involving variable isolation.

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Lenny
1/19
Lesson
Gauntlet Student Worksheet
Gauntlet Slides
Gauntlet Teacher Guide

Logarithm Gauntlet

Students will master the evaluation of complex logarithms, including fractional bases and arguments, through a high-intensity timed challenge and peer review session.

Lenny Avatar
Lenny
1/19
Lesson
Log Logic Anchor Chart
Log Logic Slides
Log Logic Blueprint Worksheet
Log Logic Teacher Guide

Log Logic Blueprint

Students will master evaluating logarithms that result in negative and fractional exponents by exploring the relationships between bases and arguments through video analysis and a peer-to-peer puzzle creation activity.

Lenny Avatar
Lenny
1/19
Lesson
Clinical Concentration Solutions
Clinical Calculus Worksheet
Concentration Curves Slides

Rational Realities

Master the art of solving real-world rational function equations, focusing on clinical drug concentration models and rate-based applications. Students will learn to translate verbal scenarios into rational equations and apply algebraic techniques to find precise solutions.

MR

Mahuya Roy Chowdhury

Math Teacher
3/3
Lesson
Intégrales Éco Slides
Intégrales Éco Exercices
Intégrales Éco Corrigés

Calcul Intégral Économique

Une leçon complète sur le calcul intégral appliqué à l'économie, couvrant l'intégration par parties, l'indice de Gini et les surplus du consommateur et du producteur.

JL

Jonathan Leple

Other
3/2
Lesson
Volcano Flight Slides
Volcano Flight Worksheet
Quadratic Calculator Guide
Volcano Flight Teacher Guide

Volcano Flight Challenge

Students will master projectile motion by applying the quadratic formula to solve for flight time. The lesson uses a volcano-themed scenario to bridge abstract algebra with physical kinematics, including a deep dive into interpreting mathematical results like negative time.

Lenny Avatar
Lenny
1/19
Lesson
Interest Insight Anchor Chart
Bank Battle Worksheet

Interest Rate Showdown

A lesson exploring the mathematical difference between Annual Percentage Rate (APR) and Annual Percentage Yield (APY) through real-world financial modeling of savings and loans. Students will calculate effective interest rates to make informed banking decisions.

Lenny Avatar
Lenny
1/19
Lesson
Convergence Lab Worksheet
Euler Engine Slides
Calculator Toolkit Reference
Convergence Lab Answer Key

Factorial Fast Track

Students explore the rapid convergence of the infinite series for e, comparing the efficiency of factorials to the standard limit definition. The lesson bridges the gap between basic limits and the Taylor Series for e^x.

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Lenny
1/19
Lesson
Ride Physics Slides
Modeling Ride Worksheet
Ride Analysis Rubric
Modeling Ride Answer Key

The Geometry of Joy

Students will apply their knowledge of trigonometric transformations to model the movement of a Ferris wheel. They will identify key parameters (amplitude, midline, period, phase shift) from real-world data and construct periodic equations.

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Lenny
1/19
Lesson
Curve Fitting Slides
Broken Blueprint Worksheet
Curve Fitters Teacher Guide

Curve Fitters

This lesson explores analytic geometry through the lens of rational functions. Students learn how to derive a specific function's parameters using systems of equations and data points, with a strong emphasis on error analysis and verification.

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Lenny
1/19
Lesson
Reality Check Worksheet
Reality Check Slides
Graphing Tech Guide
Reality Check Teacher Guide

Ride Reality Check

Students will analyze the physical constraints of a 5th-degree polynomial function modeling the velocity of a drop tower ride, focusing on the distinction between mathematical domain and real-world applicability.

Lenny Avatar
Lenny
1/19
Lesson
Growth Lab Slides
Log Logic Transcript
Variable Hunt Problem Set
Growth Lab Rubric

Logarithmic Growth Lab

This lesson focuses on applying logarithmic properties to solve real-world continuous growth problems. Students deconstruct a video tutorial to identify algebraic principles and then apply those skills to complex financial scenarios involving variable isolation.

Lenny Avatar
Lenny
1/19
Lesson
Piecewise Power Teacher Guide
Piecewise Power Slides
Real World Scenarios Handout
Piecewise Handout Answer Key

Piecewise Power

Students will dive into the logic of piecewise functions by evaluating and graphing models based on real-world scenarios like tax brackets and data plans. The lesson uses a targeted video clip to clarify the decision-making process for selecting sub-functions based on domain constraints.

Lenny Avatar
Lenny
1/19
Lesson
Decay Detectives Lesson Plan
Decay Detectives Slides
Decay Detective Worksheet
Decay Detective Answer Key

Decay Detectives

A high school math and physics lesson where students model radioactive decay. They compare conceptual 'half-life counting' with the continuous growth formula \(A = Pe^{rt}\) to solve real-world decay problems.

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Lenny
1/19
Lesson
Bisection Bot Slides
Bisection Flowchart Template
Bisection Bot Scratchpad
Bisection Bot Teacher Guide

Bisection Bot Algorithm

Students formalize the 'successive approximation' method into the Bisection Method algorithm by designing a flowchart for a 'robot' to solve transcendental equations. The lesson bridges numerical estimation and computer science logic.

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Lenny
1/19
Lesson
Security Expert Teacher Guide
Password Cracker Worksheet
Permutation Protocols Slides

Permutation Protocols

A cybersecurity-themed lesson exploring the mathematics of permutations. Students analyze password security by calculating possible combinations with and without repetition and determining 'cracking time' for different security policies.

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Lenny
1/19
Lesson
Metric Matrix Slides
Warped Paths Guide
Geometry Final Review

Tensors and Non-Euclidean Metrics

An advanced introduction to the metric tensor and non-Euclidean geometry, serving as a primer for General Relativity.

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Lenny
1/18
Lesson
Spherical Symmetry Slides
Orbital Shapes Handout
Laplace Lab Worksheet

Spherical Separation of Variables

Students solve Laplace's equation for systems with spherical symmetry, introducing Legendre polynomials and Spherical Harmonics.

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Lenny
1/18
Lesson
Field Flow Slides
Operator Map Sheet
Vector Vortex Worksheet

Vector Operators in Curvilinear Space

Students translate the Del operator into general curvilinear coordinates and apply these operators to physical vector fields.

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Lenny
1/18
Lesson
Space Sculpting Slides
Jacobian Jigsaw Activity
Space Sculpting Key

Volume and Integration

Focusing on integration, students construct volume and area elements (Jacobians) for spherical and cylindrical geometries and practice integrating scalar fields over complex 3D domains.

Lenny Avatar
Lenny
1/18
Lesson
Curvilinear Blueprint Slides
Scale Factor Sprint Worksheet
Coordinate Coach Guide

Generalizing Coordinates

Students derive basis vectors and scale factors for general orthogonal curvilinear coordinates and learn how to define position vectors in non-Cartesian geometries.

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Lenny
1/18
Lesson
Modeling Capstone Brief
Project Evaluation Rubric

Dynamical Systems Capstone

A culminating project-based lesson where students apply discrete modeling tools to real-world scenarios such as drug kinetics, finance, or ecology.

Lenny Avatar
Lenny
1/18
Lesson
Bifurcation and Chaos Slides
Bifurcation Lab Activity

Bifurcation and Chaos

Investigates period-doubling bifurcations and the transition to deterministic chaos in discrete systems as parameters vary.

Lenny Avatar
Lenny
1/18
Lesson
Series Sleuths Slides
Error Analysis Worksheet
Error Analysis Answer Key

Series Sleuths

A high-level mathematics lesson focused on distinguishing between sequences and series, determining convergence, and performing error analysis on complex geometric problems. Students will watch targeted practice segments and correct common mathematical misconceptions.

Lenny Avatar
Lenny
1/19
Lesson
Sum Search Lesson Plan
Sum Search Slides
Sum Search Worksheet
Sum Search Answer Key

Sum Search

A Pre-Calculus lesson on infinite geometric series, focusing on determining convergence using the common ratio and calculating sums for convergent series. Includes a forensic-themed activity to engage students in mathematical analysis.

Lenny Avatar
Lenny
1/19
Lesson
Summation Showdown Slides
Summation Cheat Sheet
Sequence Sorting Cards
Summation Facilitator Guide

Summation Showdown

A Pre-Calculus lesson focused on distinguishing between arithmetic and geometric sequences and applying the finite geometric sum formula through visual analysis and active sorting.

Lenny Avatar
Lenny
1/19
Lesson
Secret Base Slides
Base Finder Whiteboard Template
Secret Base Teacher Guide

The Secret Base

A lesson introducing Euler's number (e), the distinction between common and natural logarithms, and the convention of implied bases in mathematical notation.

Lenny Avatar
Lenny
1/19
Lesson
Growth Lab Teacher Guide
Growth Lab Slides
Millionaire Math Worksheet
Log Logic Cheat Sheet

Exponential Growth Lab

A high school mathematics lesson exploring the constant e, continuous compound interest, and using natural logarithms and the change of base rule to solve for time in growth and decay models.

Lenny Avatar
Lenny
1/19
Lesson
Interest Insight Anchor Chart
Bank Battle Worksheet

Interest Rate Showdown

A lesson exploring the mathematical difference between Annual Percentage Rate (APR) and Annual Percentage Yield (APY) through real-world financial modeling of savings and loans. Students will calculate effective interest rates to make informed banking decisions.

Lenny Avatar
Lenny
1/19
Lesson
Euler's Race Slides
Euler's Race Worksheet
Euler's Race Teacher Guide

Euler's Race to e

A Pre-Calculus lesson exploring the constant e through limit definitions and numerical convergence. Students will 'race' to calculate e to high precision using two different limit formulas and evaluate their performance.

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Lenny
1/19
Lesson
Convergence Lab Worksheet
Euler Engine Slides
Calculator Toolkit Reference
Convergence Lab Answer Key

Factorial Fast Track

Students explore the rapid convergence of the infinite series for e, comparing the efficiency of factorials to the standard limit definition. The lesson bridges the gap between basic limits and the Taylor Series for e^x.

Lenny Avatar
Lenny
1/19
Lesson
Euler Constant Presentation Slides
Proof Workshop Handout
Proof Workshop Answer Key
Natural Constant Exit Ticket

Euler's Constant Synthesis

An undergraduate-level exploration of Euler's number (e) that synthesizes its financial, analytical, and series-based definitions through a rigorous proof-based approach.

Lenny Avatar
Lenny
1/19
Lesson
Golden Mean Worksheet
Golden Mean Discussion Cards
Golden Mean Answer Key
Golden Mean Slides

Golden Mean Convergence

Students will investigate the geometric mean property of the Fibonacci sequence, comparing estimations of high-index terms using geometric means versus the Golden Ratio method. The lesson explores the convergence of recursive sequences to geometric behavior for large n.

Lenny Avatar
Lenny
1/19
Lesson
Financial Lab Teacher Guide
Infinity Limit Slides
Interest Limit Worksheet

The Infinity Limit

Students explore the mathematical constant 'e' through the lens of continuous compound interest, investigating how increasing compounding frequency leads to diminishing returns and a fundamental limit.

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Lenny
1/19
Lesson
Crisis Response Worksheet
Pathogen Scenario Cards
Outbreak Modeling Presentation Slides
Outbreak Modeling Teacher Guide

Outbreak Modeling

This lesson guides students through constructing exponential models for bacterial and viral growth, focusing on the mathematical derivation of exponents when time units (minutes vs. hours) differ. Students will watch a targeted video segment, analyze growth rates, and apply their knowledge to a 'Crisis Simulation' scenario.

Lenny Avatar
Lenny
1/19
Lesson
Log Lab Slides
Base Switch Worksheet
Log Reflections Journal Handout
Base Switch Answer Key

Log Lab Comparison

A Pre-Calculus lesson focused on the practical application and comparison of common and natural logarithms when solving exponential equations. Students will discover that while bases differ, the properties of logarithms lead to consistent results.

Lenny Avatar
Lenny
1/19
Lesson
Architect Facilitation Guide
Exponent Architect Slides
Problem Blueprint Worksheet
Architectural Rubric

Exponent Architects

A lesson where students reverse-engineer exponential equations of the form a^(x+n) + a^x = C. By working backward from a chosen solution, students master exponent properties and factoring techniques before swapping with peers to test their designs.

Lenny Avatar
Lenny
1/19
Lesson
Log Loop Slides
Logarithm Dominoes Activity Set
Log Logic Discussion Cards
Log Activity Sheet
Log Reflection Journal Handout

Log Exponent Loop

An interactive lesson for 11th Grade Pre-Calculus focused on the bidirectional relationship between logarithms and exponential forms, featuring a video-guided practice and a collaborative domino matching activity.

Lenny Avatar
Lenny
1/19
Lesson
Power Shift Slides
Growth Lab Guide
Facilitation Guide
Growth Lab Answer Key

Exponential Power Shift

Students analyze how the compounding period and exponent coefficients affect the growth rate of exponential functions, transitioning from standard forms to manipulated models using algebraic properties and graphing technology.

Lenny Avatar
Lenny
1/19
Lesson
Trust but Verify Lesson Plan
Verification Lab Worksheet
Precision Pursuit Slides
Verification Lab Answer Key

Trust but Verify

A Pre-Calculus lesson focusing on the transition from graphical estimation to algebraic precision using logarithms to solve complex exponential growth equations.

Lenny Avatar
Lenny
1/19
Lesson
Formula Trap Slides
Formula Trap Worksheet
Formula Trap Answer Key

The Formula Trap

This lesson focuses on identifying the specific conditions required to apply the infinite geometric series sum formula, specifically highlighting the common misconception of applying it to divergent series. students will engage in error analysis to solidify their understanding of convergence.

Lenny Avatar
Lenny
1/19
Lesson
Decay Detectives Lesson Plan
Decay Detectives Slides
Decay Detective Worksheet
Decay Detective Answer Key

Decay Detectives

A high school math and physics lesson where students model radioactive decay. They compare conceptual 'half-life counting' with the continuous growth formula \(A = Pe^{rt}\) to solve real-world decay problems.

Lenny Avatar
Lenny
1/19
Lesson
Mean Mysteries Slides
Sequence Detective Worksheet
Sequence Detective Answer Key

Mean Mysteries

Students will distinguish between arithmetic and geometric sequences, learn the specific properties of arithmetic and geometric means, and apply these formulas to find missing terms in sequences.

Lenny Avatar
Lenny
1/19
Lesson
TSIA2 Math Practice Test
TSIA2 Math Answer Key

TSIA2 Math Mastery

A comprehensive 20-question practice test covering all four TSIA2 Math domains: Quantitative Reasoning, Algebraic Reasoning, Geometry, and Probability and Statistics.

JW

Jessica Waters

Math Teacher
2/20
Lesson
Polynomial Puzzle Worksheet
Polynomial Puzzle Answer Key

Polynomial Power

A lesson focused on finding the real and complex zeros of polynomial functions using various algebraic methods like factoring and synthetic division.

KO

Keith Owens

Math Teacher
1/21
Lesson
Series Sleuths Slides
Error Analysis Worksheet
Error Analysis Answer Key

Series Sleuths

A high-level mathematics lesson focused on distinguishing between sequences and series, determining convergence, and performing error analysis on complex geometric problems. Students will watch targeted practice segments and correct common mathematical misconceptions.

Lenny Avatar
Lenny
1/19
Lesson
Function Fusion Slides
Expansion Challenge Worksheet
Expansion Rubric
Expansion Answer Key

Function Fusion Expansion Mastery

A high-school algebra lesson focused on avoiding the 'power of a sum' error when expanding binomials within composite functions, featuring video-guided instruction and a hands-on expansion challenge.

Lenny Avatar
Lenny
1/19
Lesson
Radical Roots Slides
Root Detective Investigation Guide
Radical Roots Facilitation Guide
Graphing Calculator Reference

Radical Roots Analysis

A high-level honors algebra lesson focusing on the algebraic and graphical nature of extraneous solutions in radical equations, featuring a double-square problem and graphing calculator investigation.

Lenny Avatar
Lenny
1/19
Lesson
Radical Intersection Slides
Radical Recon Worksheet
Radical Solutions Facilitator Guide
Radical Recon Answer Key

Radical Intersections

Students will solve complex radical equations algebraically and verify their solutions using graphical intersections on Desmos, while considering domain restrictions.

Lenny Avatar
Lenny
1/19
Lesson
Inverse Reflection Facilitation Guide
Inverse Reflection Slides
Base e Graphing Notes
Inverse Mirror Discussion Cards
Logarithmic Reflection Journal

Inverse Reflection

A Pre-Calculus lesson exploring the geometric relationship between exponential and natural logarithmic functions as inverses, featuring video analysis and side-by-side graphical comparisons.

Lenny Avatar
Lenny
1/19
Lesson
Reciprocal Rivals Slides
Reciprocal Rivals Worksheet
Reciprocal Rivals Exit Ticket
Reciprocal Rivals Teacher Guide
Reciprocal Rivals Calculator Guide

Reciprocal Rivals

Students explore the unique properties of even and odd reciprocal functions ($1/x$ and $1/x^2$) through graphical analysis, video observation, and comparative discussion.

Lenny Avatar
Lenny
1/19
Lesson
Sum Search Lesson Plan
Sum Search Slides
Sum Search Worksheet
Sum Search Answer Key

Sum Search

A Pre-Calculus lesson on infinite geometric series, focusing on determining convergence using the common ratio and calculating sums for convergent series. Includes a forensic-themed activity to engage students in mathematical analysis.

Lenny Avatar
Lenny
1/19
Lesson
Summation Showdown Slides
Summation Cheat Sheet
Sequence Sorting Cards
Summation Facilitator Guide

Summation Showdown

A Pre-Calculus lesson focused on distinguishing between arithmetic and geometric sequences and applying the finite geometric sum formula through visual analysis and active sorting.

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Lenny
1/19
Lesson
Pathfinder Lab Worksheet
Bridge Inspector Card Sort Deck
Final Inspection Exit Ticket

Pathfinder Continuity

A Precalculus lesson focusing on the informal definition of continuity through the 'pencil test' and identifying the four main types of discontinuities: removable, jump, infinite, and oscillating. Students engage in a hands-on card sort to classify functions based on their graphical behavior.

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Lenny
1/19
Lesson
Interval Notation Key Handout
Mapping the Range Slides
Range Scavenger Hunt Sheet
Piecewise Scavenger Hunt Cards

Mapping the Range

This lesson focuses on finding the range of complex piecewise functions through visual projection and interval notation, featuring a video breakdown and a kinesthetic scavenger hunt activity.

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Lenny
1/19
Lesson
Parity Puzzles Worksheet
Reflection Rules Slides
Symmetry Sorting Cards
Reflection Rules Anchor Chart Reference

Mathematical Mirrors

Students will explore even and odd functions by applying reflection rules algebraically and graphically. The lesson includes a video-guided analysis of how functions 'absorb' or 'keep' negative signs through substitution.

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Lenny
1/19
Lesson
Hyperbola Anatomy Anchor Chart
Hyperbola Hunt Worksheet
Hyperbola Hunt Slides

Hyperbola Hunt

A comprehensive lesson on hyperbola properties, focusing on calculating foci, determining asymptote equations via the fundamental rectangle, and converting between general and standard forms. Includes a video-guided tutorial and a 'Hyperbola Hunters' graphing activity.

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Lenny
1/19
Lesson
Symmetry Secrets Anchor Chart
Symmetry Secrets Slides
Symmetry Secrets Worksheet
Symmetry Secrets Function Cards
Symmetry Secrets Answer Key

Symmetry Secrets

A comprehensive Algebra II lesson on identifying even and odd functions algebraically. Students use substitution to test for symmetry and discover how exponents relate to function types.

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Lenny
1/19
Lesson
Signal Scan Slides
Mystery Signals Worksheet
Analyst Handbook Teacher Guide

Signal Scan Polynomials

Students learn to predict and describe polynomial end behavior using the Leading Coefficient Test through physical 'aerobics', a guided video analysis, and a 'Mystery Function' matching activity. The lesson culminates in a reflection on identifying the leading term in non-standard form polynomials.

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Lenny
1/19
Lesson
Behavior Command Teacher Guide
End Behavior Slides
Notation Battleship Worksheet
Limit Launch Exit Ticket

End Behavior Command

Students will learn to translate between visual polynomial end behavior and formal limit notation, identifying how degree parity and leading coefficient signs dictate a function's behavior as x approaches infinity.

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Lenny
1/19
Lesson
Pattern Power Teacher Guide
Pattern Power Slides
Pattern Predictor Worksheet
Algebraic Architect Cards

Pattern Power Factoring

Students will investigate the patterns of higher-degree binomials (\(a^n \pm b^n\)) to generalize algebraic rules and predict factoring formulas for powers beyond the cubic.

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Lenny
1/19
Lesson
Rational Roadmap Worksheet
Attribute Blueprint Chart
Rational Roadmap Slides
Rational Roadmap Key Teacher Resource

Rational Roadmap Rules

A comprehensive lesson on analyzing rational functions where students synthesize rules for asymptotes, holes, and intercepts into a master attribute table. Students then apply these rules to various equations to identify key graphical features without the use of technology.

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Lenny
1/19
Lesson
Hole Hunter Worksheet
Hidden Holes Slides
Coordinate Grid Resource
Gap Logic Exit Ticket
Hole Hunter Answer Key

Hidden Holes

Students will learn to distinguish between vertical asymptotes and removable discontinuities (holes) in rational functions. Through a warm-up, video analysis, and a 'Hole Hunter' activity, students will master identifying and calculating the coordinates of these 'missing points'.

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Lenny
1/19
Lesson
Wave Navigator Notes Handout
Wave Navigator Slides
Wave Navigator Answer Key
Wave Navigator Exit Ticket

Wave Navigator

A comprehensive lesson on graphing Sine and Cosine functions, featuring guided notes, instructional slides, and a detailed answer key. Students will learn to identify amplitude, period, midline, and phase shifts to accurately sketch periodic graphs.

AP

Abha Poddar

Math Teacher
1/23
Lesson
Radical Roots Slides
Root Detective Investigation Guide
Radical Roots Facilitation Guide
Graphing Calculator Reference

Radical Roots Analysis

A high-level honors algebra lesson focusing on the algebraic and graphical nature of extraneous solutions in radical equations, featuring a double-square problem and graphing calculator investigation.

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Lenny
1/19
Lesson
Radical Intersection Slides
Radical Recon Worksheet
Radical Solutions Facilitator Guide
Radical Recon Answer Key

Radical Intersections

Students will solve complex radical equations algebraically and verify their solutions using graphical intersections on Desmos, while considering domain restrictions.

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Lenny
1/19
Lesson
Inverse Exchange Worksheet
Inverse Exchange Slides
Inverse Exchange Anchor Chart
Inverse Exchange Graph Paper
Inverse Exchange Teacher Guide

The Inverse Exchange

A Pre-Calculus lesson focused on the relationship between exponential and logarithmic functions through the lens of domain and range swapping. Students analyze transformations, identify key features like asymptotes, and verify inverse relationships graphically.

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Lenny
1/19
Lesson
Inverse Reflection Facilitation Guide
Inverse Reflection Slides
Base e Graphing Notes
Inverse Mirror Discussion Cards
Logarithmic Reflection Journal

Inverse Reflection

A Pre-Calculus lesson exploring the geometric relationship between exponential and natural logarithmic functions as inverses, featuring video analysis and side-by-side graphical comparisons.

Lenny Avatar
Lenny
1/19
Lesson
Interval Notation Handout
Interval Notation Slides
Interval Notation Teacher Guide

Interval Notation Relay

A high-energy honors algebra lesson where students master interval notation through the lens of reciprocal functions, culminating in a fast-paced 'Interval Notation Relay' using transformed graphs.

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Lenny
1/19
Lesson
Reciprocal Rivals Slides
Reciprocal Rivals Worksheet
Reciprocal Rivals Exit Ticket
Reciprocal Rivals Teacher Guide
Reciprocal Rivals Calculator Guide

Reciprocal Rivals

Students explore the unique properties of even and odd reciprocal functions ($1/x$ and $1/x^2$) through graphical analysis, video observation, and comparative discussion.

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Lenny
1/19
Lesson
Scaling Investigation Slides
Scaling Operations Anchor Chart
Transformation Log Journal
Scaling Logic Teacher Guide

The Inside Job

A deep dive into horizontal scaling in Pre-Calculus, focusing on the counterintuitive nature of 'inside' transformations and the algebraic logic of dividing inputs.

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Lenny
1/19
Lesson
Mirror Math Worksheet
Mirror Math Slides
Mirror Math Teacher Guide

Mirror Math

A hands-on exploration of inverse functions where students use folding and tracing to discover the visual relationship between a function and its inverse. The lesson emphasizes the reflection over the line y=x and the swapping of coordinate values.

Lenny Avatar
Lenny
1/19
Lesson
Case File Teacher Guide
Limit Lawsuit Slides
Legal Limits Worksheet
Limit Lawyer Cards
Closing Arguments Reflection

Limit Lawsuit

A Precalculus lesson focused on calculating overall limits from graphs and identifying conditions for non-existence through a courtroom-themed simulation.

Lenny Avatar
Lenny
1/19
Lesson
Pathfinder Lab Worksheet
Bridge Inspector Card Sort Deck
Final Inspection Exit Ticket

Pathfinder Continuity

A Precalculus lesson focusing on the informal definition of continuity through the 'pencil test' and identifying the four main types of discontinuities: removable, jump, infinite, and oscillating. Students engage in a hands-on card sort to classify functions based on their graphical behavior.

Lenny Avatar
Lenny
1/19
Lesson
Chaos at the Origin Worksheet
Chaos at the Origin Slides
Chaos at the Origin Answer Key

Chaos at the Origin

Students investigate the behavior of functions with oscillating discontinuities, specifically focusing on the limit of \(\sin(1/x)\) as \(x \to 0\) compared to bounded oscillating functions like \(x \cdot \sin(1/x)\). The lesson uses a combination of video analysis and digital graphing tools to explore the formal definition of limit failure due to oscillation.

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Lenny
1/19
Lesson
Frankenstein Functions Presentation
Frankenstein Functions Worksheet
Frankenstein Functions Rubric
Frankenstein Functions Teacher Guide

Frankenstein Functions

A Precalculus lesson where students construct complex piecewise 'monster' functions using algebraic 'body parts' to satisfy specific limit and continuity requirements.

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Lenny
1/19
Lesson
Vieta's Vault Lesson Plan
Vieta's Vault Investigation Worksheet
Vieta's Vault Slides
Vieta's Vault Answer Key

Vieta's Vault

Students discover and apply Vieta's Formulas to determine the sum and product of roots of quadratic and cubic equations without solving them directly.

Lenny Avatar
Lenny
1/19
Lesson
Navigator Log Worksheet
Graph Arena Printout
Hop Cards Activity
Graph Hoppers Slides
Control Center Guide

Graph Hoppers

Students master the evaluation of composite functions by 'hopping' between multiple graphical representations, using the output of one function as the input for the next. The lesson progresses from basic algebraic review to complex triple-nested graphical evaluations and introduces inverse relationships.

Lenny Avatar
Lenny
1/19
Lesson
Interval Notation Key Handout
Mapping the Range Slides
Range Scavenger Hunt Sheet
Piecewise Scavenger Hunt Cards

Mapping the Range

This lesson focuses on finding the range of complex piecewise functions through visual projection and interval notation, featuring a video breakdown and a kinesthetic scavenger hunt activity.

Lenny Avatar
Lenny
1/19
Lesson
Error Clinic Presentation
Error Analysis Worksheet
Red Pens Facilitation Guide
Error Analysis Answer Key

Reflective Repair

Students troubleshoot algebraic errors in function reflections over the x and y axes. Using a medical diagnostic theme, they identify distribution mistakes and exponent sign errors to 'heal' broken functions.

Lenny Avatar
Lenny
1/19
Lesson
Parity Puzzles Worksheet
Reflection Rules Slides
Symmetry Sorting Cards
Reflection Rules Anchor Chart Reference

Mathematical Mirrors

Students will explore even and odd functions by applying reflection rules algebraically and graphically. The lesson includes a video-guided analysis of how functions 'absorb' or 'keep' negative signs through substitution.

Lenny Avatar
Lenny
1/19
Lesson
Hyperbola Anatomy Anchor Chart
Hyperbola Hunt Worksheet
Hyperbola Hunt Slides

Hyperbola Hunt

A comprehensive lesson on hyperbola properties, focusing on calculating foci, determining asymptote equations via the fundamental rectangle, and converting between general and standard forms. Includes a video-guided tutorial and a 'Hyperbola Hunters' graphing activity.

Lenny Avatar
Lenny
1/19
Lesson
Symmetry Secrets Anchor Chart
Symmetry Secrets Slides
Symmetry Secrets Worksheet
Symmetry Secrets Function Cards
Symmetry Secrets Answer Key

Symmetry Secrets

A comprehensive Algebra II lesson on identifying even and odd functions algebraically. Students use substitution to test for symmetry and discover how exponents relate to function types.

Lenny Avatar
Lenny
1/19