Lenny LearningLenny
Create
Explore
Workspace
LoginSign up
MathEnglish Language ArtsScience & EngineeringSocial StudiesGlobal LanguagesHealth & Physical EducationSpecial EducationCounseling & Life SkillsArts & CreativityESL
Lenny LearningLenny
Lenny Learning
About
Training
Pricing
Support
Contact
© 2026 Lenny Learning Inc.

Calculus

SequencesLessonsMaterialsVideos
  1. Math

Calculus

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Fundamental concepts of limits, derivatives, and integrals for modeling change and motion. Examines techniques for differentiation and integration alongside applications in optimization, area calculation, and differential equations.

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
Optimization ProblemsApplication of derivatives to identify absolute extrema within constrained systems. Addresses problems in surface area maximization, cost minimization, and physical efficiency.
Differential EquationsExamines first-order and higher-order linear equations using techniques like separation of variables, Laplace transforms, and power series. Connects mathematical models to physical systems such as population growth, fluid dynamics, and electrical circuits.
Material
Monte Carlo Engine Project

Monte Carlo Engine Project

Problem set for graduate students to practice implementing Monte Carlo simulations, calculating standard error, and understanding variance reduction techniques.

Lenny Avatar
Lenny
1/18
Material
Stochastic Path Slides

Stochastic Path Slides

Graduate-level slides covering Monte Carlo methods, Geometric Brownian Motion paths, and the Law of Large Numbers applied to derivative pricing.

Lenny Avatar
Lenny
1/18
Material
Risk Metrics Worksheet

Risk Metrics Worksheet

Problem set for graduate students to practice calculating VaR and Expected Shortfall, analyzing the impact of non-normal distributions on risk metrics.

Lenny Avatar
Lenny
1/18
Material
Tail Risk Slides

Tail Risk Slides

Graduate-level slides covering VaR, Expected Shortfall, tail risk metrics, and the limitations of normal distributions.

Lenny Avatar
Lenny
1/18
Material
Option Architect Activity

Option Architect Activity

Problem set for graduate students to price European options using the binomial model and calculate delta-hedging portfolios.

Lenny Avatar
Lenny
1/18
Material
Neutral Grounds Slides

Neutral Grounds Slides

Graduate-level slides covering risk-neutral measures, the fundamental theorem of asset pricing, and the derivation of the binomial model.

Lenny Avatar
Lenny
1/18
Material
Portfolio Construction Workshop

Portfolio Construction Workshop

Problem set for graduate students to compute portfolio expected returns and variance using matrix algebra, and derive the Minimum Variance Portfolio.

Lenny Avatar
Lenny
1/18
Material
Efficient Frontier Slides

Efficient Frontier Slides

Graduate-level slides covering portfolio expected returns, covariance matrices, and the formulation of the Markowitz mean-variance optimization problem.

Lenny Avatar
Lenny
1/18
Material
Utility Function Worksheet

Utility Function Worksheet

Problem set for graduate students to practice calculating expected utility, risk premiums, and deriving risk aversion measures.

Lenny Avatar
Lenny
1/18
Material
Utility Gap Slides

Utility Gap Slides

Graduate-level slides covering the St. Petersburg Paradox, vNM Utility functions, and risk premiums in quantitative finance.

Lenny Avatar
Lenny
1/18
Material
Final Variational Quiz

Final Variational Quiz

A comprehensive final assessment for graduate students covering functionals, the Euler-Lagrange derivation, Beltrami identity, and isoperimetric problems.

Lenny Avatar
Lenny
1/18
Material
Isoperimetric Project Guide

Isoperimetric Project Guide

Student-facing project guide for finding the curve of fixed length that encloses the maximum area, applying Lagrange multipliers for functionals.

Lenny Avatar
Lenny
1/18
Material
Optimal Boundaries Slides

Optimal Boundaries Slides

Project presentation slides for Lesson 5, focusing on optimizing functionals subject to integral constraints and the isoperimetric problem.

Lenny Avatar
Lenny
1/18
Material
Optimization Rubric

Optimization Rubric

Assessment rubric for the Algorithmic Implementation Challenge, evaluating correctness, robustness, analysis, and code quality.

Lenny Avatar
Lenny
1/18
Material
Implementation Challenge Guide

Implementation Challenge Guide

Instructions for the culminating project where students implement and compare Gradient Descent and BFGS algorithms on a black-box function.

Lenny Avatar
Lenny
1/18
Material
Duality Decoded Case Study Worksheet

Duality Decoded Case Study Worksheet

Case study worksheet for Lesson 5 focusing on deriving the dual function, solving the dual problem, and verifying strong duality and saddle point conditions.

Lenny Avatar
Lenny
1/18
Material
Beltrami Shortcut Cheat Sheet

Beltrami Shortcut Cheat Sheet

A quick reference sheet comparing the standard Euler-Lagrange equation with the Beltrami version, featuring common application examples.

Lenny Avatar
Lenny
1/18
Material
Chain Reaction Final Project Guide

Chain Reaction Final Project Guide

The final project guide for students, applying KKT conditions to a logistics network problem and requiring economic interpretation of shadow prices for business strategy.

Lenny Avatar
Lenny
1/18
Material
Geodesic Explorer Worksheet

Geodesic Explorer Worksheet

Worksheet for graduate students to apply the Beltrami identity to find the shortest path on a cylinder (geodesic analysis).

Lenny Avatar
Lenny
1/18
Material
Duality Saddle Points Slides

Duality Saddle Points Slides

Visual presentation for Lesson 5 covering the Lagrangian, primal and dual problems, weak/strong duality, and saddle point conditions.

Lenny Avatar
Lenny
1/18
Material
Geometry Final Review

Geometry Final Review

Summative assessment covering the entire sequence, including conceptual questions on scale factors, vector operator calculations, and applications to metrics and symmetry.

Lenny Avatar
Lenny
1/18
Material
Warped Paths Guide

Warped Paths Guide

Discussion and inquiry guide for teachers to explore metric tensors, map distortions, and geodesics through thought experiments and physical demonstrations.

Lenny Avatar
Lenny
1/18
Material
Metric Matrix Slides

Metric Matrix Slides

Introductory presentation on the metric tensor, non-Euclidean geometry, geodesics, and the conceptual foundation of General Relativity.

Lenny Avatar
Lenny
1/18
Material
Laplace Lab Worksheet

Laplace Lab Worksheet

Problem set focused on solving boundary value problems using Legendre polynomials, including hemispherical potential and a sphere in a uniform electric field.

Lenny Avatar
Lenny
1/18
Material
Orbital Shapes Handout

Orbital Shapes Handout

Case study handout connecting the mathematical solutions of Laplace's equation to the physical shapes of atomic orbitals in quantum mechanics.

Lenny Avatar
Lenny
1/18
Material
Spherical Symmetry Slides

Spherical Symmetry Slides

Presentation on solving Laplace's equation in spherical coordinates using separation of variables and Legendre polynomials, with physical boundary condition examples.

Lenny Avatar
Lenny
1/18
Material
Vector Vortex Worksheet

Vector Vortex Worksheet

Practice problems for calculating gradient, divergence, curl, and Laplacian in physics-based contexts using curvilinear coordinates.

Lenny Avatar
Lenny
1/18
Material
Operator Map Sheet

Operator Map Sheet

Comprehensive reference sheet for vector operators (gradient, divergence, curl, Laplacian) in general and specific curvilinear systems.

Lenny Avatar
Lenny
1/18
Material
Field Flow Slides

Field Flow Slides

Visual explanation of vector operators (gradient, divergence, curl, Laplacian) generalized for any orthogonal curvilinear coordinate system.

Lenny Avatar
Lenny
1/18
Material
Space Sculpting Key

Space Sculpting Key

Detailed answer key for the Jacobian Jigsaw activity, including worked solutions for toroidal volume, mass integration, and surface area.

Lenny Avatar
Lenny
1/18
Material
Jacobian Jigsaw Activity

Jacobian Jigsaw Activity

Problem set for students to calculate volume and area elements for toroidal, spherical, and cylindrical systems, including mass density integration.

Lenny Avatar
Lenny
1/18
Material
Space Sculpting Slides

Space Sculpting Slides

Slide deck explaining Jacobian determinants, derivation of volume elements for spherical/cylindrical systems, and integration methods for scalar fields.

Lenny Avatar
Lenny
1/18
Material
Coordinate Coach Guide

Coordinate Coach Guide

Teacher facilitation guide for the "Generalizing Coordinates" lesson, including pacing, common misconceptions, and discussion prompts.

Lenny Avatar
Lenny
1/18
Material
Scale Factor Sprint Worksheet

Scale Factor Sprint Worksheet

Worksheet for students to derive scale factors for spherical and parabolic cylindrical coordinate systems, including derivation areas and reflection questions.

Lenny Avatar
Lenny
1/18
Material
Curvilinear Blueprint Slides

Curvilinear Blueprint Slides

Visual presentation introducing orthogonal curvilinear coordinates, defining basis vectors and scale factors, and demonstrating the cylindrical case study.

Lenny Avatar
Lenny
1/18
Material
Final Variational Quiz

Final Variational Quiz

A comprehensive final assessment for graduate students covering functionals, the Euler-Lagrange derivation, Beltrami identity, and isoperimetric problems.

Lenny Avatar
Lenny
1/18
Material
Isoperimetric Project Guide

Isoperimetric Project Guide

Student-facing project guide for finding the curve of fixed length that encloses the maximum area, applying Lagrange multipliers for functionals.

Lenny Avatar
Lenny
1/18
Material
Optimal Boundaries Slides

Optimal Boundaries Slides

Project presentation slides for Lesson 5, focusing on optimizing functionals subject to integral constraints and the isoperimetric problem.

Lenny Avatar
Lenny
1/18
Material
Duality Decoded Case Study Worksheet

Duality Decoded Case Study Worksheet

Case study worksheet for Lesson 5 focusing on deriving the dual function, solving the dual problem, and verifying strong duality and saddle point conditions.

Lenny Avatar
Lenny
1/18
Material
Beltrami Shortcut Cheat Sheet

Beltrami Shortcut Cheat Sheet

A quick reference sheet comparing the standard Euler-Lagrange equation with the Beltrami version, featuring common application examples.

Lenny Avatar
Lenny
1/18