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Vectors & Matrices

SequencesLessonsMaterialsVideos
  1. Math

Vectors & Matrices

SequencesLessonsMaterialsVideos
SequencesLessonsMaterialsVideos

Vector properties, magnitudes, and algebraic operations including addition and scalar multiplication. Introduces matrix representations, arithmetic, and computational techniques for solving linear systems.

Introduction to Vectors and MatricesVector addition, scalar multiplication, and matrix operations including multiplication and determinants. Introduces linear transformations and system modeling through matrix equations.
Vector QuantitiesMathematical and physical quantities defined by both magnitude and direction. Emphasizes vector addition, component resolution, and applications in force and motion.
Vector OperationsCalculation of vector sums, differences, and products in two and three dimensions. Examines magnitude, direction, and the application of dot and cross products to solve geometric and physical problems.
Matrix OperationsAddition, subtraction, and multiplication of matrices alongside techniques for calculating determinants and inverses. Supports solving systems of linear equations and modeling multi-dimensional data transformations.
Lesson
Data Containers Worksheet
Data Vectors Rubric

Data Containers

An undergraduate-level introduction to visualizing vectors as multi-dimensional data containers. Students explore real-world applications from catering costs to nutritional data, shifting the perspective of vectors from geometric arrows to abstract data structures.

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Lenny
1/19
Lesson
Linear Combination Challenge Worksheet
Force Fields Presentation
Vector Victory Answer Key

Linear Combination Challenge

A lesson for Advanced Precalculus students focusing on expressing vectors as linear combinations of the unit vectors i and j, featuring physics-based force problems and rapid-fire conversion practice.

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Lenny
1/19
Lesson
Programmer Console Worksheet
Robot Vector Commands Slides
Grid Master Teacher Guide

Robot Vector Commands

A high-school geometry or pre-calculus lesson focusing on converting vectors from magnitude and direction to component form through a hands-on 'robot programming' simulation. Students use trigonometry to translate movement commands into x and y displacements.

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Lenny
1/19
Lesson
Vector Walks Slides
Vector Walks Worksheet
Complex Plane Grid Paper
Vector Walks Facilitator Guide

Vector Walks

A Pre-Calculus lesson connecting algebraic complex number addition to geometric vector addition on the complex plane using a 'Vector Walk' approach. Students visualize addition as head-to-tail movements on a grid.

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Lenny
1/19
Lesson
Sarrus Showdown Worksheet
Matrix Method Cards
Determinant Duel Slides
Sarrus Shortcut Teacher Guide

Determinant Duel

This lesson introduces the Rule of Sarrus as a shortcut for finding 3x3 determinants, comparing its efficiency against the standard cofactor expansion method through a competitive 'Method Battle'.

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Lenny
1/19
Lesson
Matrix Masters Slides
Row Rivalry Worksheet
Error Spotter Cards
Matrix Masters Key

Matrix Masters

Students learn to calculate 3x3 determinants using the Cofactor Expansion method, focusing on minor matrices and the checkerboard sign pattern through video analysis and collaborative problem-solving.

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Lenny
1/19
Lesson
Matrix Decoder Worksheet
Determinant Pulse Check Exit Ticket
Matrix Mastermind Slides

Matrix Mastermind Introduction to Determinants

This lesson introduces students to the determinant of 2x2 matrices. Students will learn the calculation formula, practice with various examples, explore matrices with a determinant of zero, and understand the geometric interpretation of a determinant as the area of a parallelogram.

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Lenny
1/19
Lesson
Determinant Designs Facilitation Guide
Determinant Designs Slides
Shoelace Strategy Anchor Chart
Coordinate Combat Worksheet
Coordinate Combat Answer Key

Determinant Designs

Students will bridge the gap between coordinate geometry and linear algebra by connecting the Shoelace Algorithm to matrix determinants. This lesson uses a step-by-step video demonstration followed by algebraic verification of the 3x3 matrix area formula.

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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.

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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
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.

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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
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.

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Lenny
1/18
Lesson
First Order Slides
Algorithm Audit Worksheet

First Order Recurrences

Learn to solve linear recurrences of the form a_n = c * a_{n-1} + g(n) using the method of iteration, applying these skills to analyze the efficiency of computer sorting algorithms.

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Lenny
1/18
Lesson
Recursive Foundations Slides
Hanoi Trials Worksheet

Recursive Definitions Intro

Students explore sequences where terms are defined by predecessors, using the Tower of Hanoi puzzle to bridge the gap between iterative logic and recursive formulas.

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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.

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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.

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Lenny
1/18
Lesson
Data Containers Worksheet
Data Vectors Rubric

Data Containers

An undergraduate-level introduction to visualizing vectors as multi-dimensional data containers. Students explore real-world applications from catering costs to nutritional data, shifting the perspective of vectors from geometric arrows to abstract data structures.

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Lenny
1/19
Lesson
Vector Value Analysis Worksheet
Vector Value Analysis Lesson Plan
Vector Value Analysis Slides

Vector Value Analysis

A 45-minute Pre-Calculus lesson where students apply the dot product to real-world business scenarios, specifically calculating total inventory costs using multidimensional vectors. The lesson features a video-based case study on a catering business and a collaborative activity called 'The School Store'.

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Lenny
1/19
Lesson
Linear Combination Challenge Worksheet
Force Fields Presentation
Vector Victory Answer Key

Linear Combination Challenge

A lesson for Advanced Precalculus students focusing on expressing vectors as linear combinations of the unit vectors i and j, featuring physics-based force problems and rapid-fire conversion practice.

Lenny Avatar
Lenny
1/19
Lesson
Programmer Console Worksheet
Robot Vector Commands Slides
Grid Master Teacher Guide

Robot Vector Commands

A high-school geometry or pre-calculus lesson focusing on converting vectors from magnitude and direction to component form through a hands-on 'robot programming' simulation. Students use trigonometry to translate movement commands into x and y displacements.

Lenny Avatar
Lenny
1/19
Lesson
Vector Walks Slides
Vector Walks Worksheet
Complex Plane Grid Paper
Vector Walks Facilitator Guide

Vector Walks

A Pre-Calculus lesson connecting algebraic complex number addition to geometric vector addition on the complex plane using a 'Vector Walk' approach. Students visualize addition as head-to-tail movements on a grid.

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Lenny
1/19
Lesson
Dimensions of Distance Lesson Plan
Spatial Solver Activity
Dimensions of Distance Slides
Spatial Solver Answer Key

Dimensions of Distance

A Pre-Calculus lesson focused on extending 2D distance concepts into 3D space to calculate the distance between a point and a plane. Students use coordinate geometry and algebraic manipulation to solve spatial problems.

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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.

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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
Launch Lab Slides
Ballistics Boss Teacher Guide
Pumpkin Projectile Worksheet
Pumpkin Projectile Answer Key

Projectile Modeling

The sequence culminates with a realistic physics modeling lesson. Students set up and analyze parametric equations for projectiles, accounting for gravity and initial velocity vectors.

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Lenny
1/18
Lesson
Rescue Ops Slides
Tactical Ops Teacher Guide
Search Grid Worksheet
Search Grid Answer Key

Motion Analysis

Students solve complex motion problems, such as finding the time when a particle is moving perpendicular to its position vector or closest to the origin.

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Lenny
1/18
Lesson
Distance Duel Slides
Distance Dilemma Teacher Guide
Race Day Worksheet
Race Day Answer Key

Displacement Distance

A comparative analysis lesson where students rigorously distinguish between the net change in position (displacement vector) and the total scalar distance traveled (integral of speed).

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Lenny
1/18
Lesson
Vector Shift Slides
Vector Calculus Teacher Guide
Flow Tracker Worksheet
Flow Tracker Answer Key

Vector Calculus Ops

Students extend calculus operations to vector components. They perform component-wise differentiation and integration to find velocity vectors from position and position vectors from velocity.

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Lenny
1/18
Lesson
Flight Path Slides
Vector Map Teacher Guide
Path Finder Worksheet
Path Finder Answer Key

Vector Continuity

Students formally define vector-valued functions and explore limits and continuity. They learn to visualize the domain and output as vectors pointing to a path.

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Lenny
1/18
Lesson
The Long Way Round Worksheet
The Long Way Round Slides
The Long Way Round Answer Key

The Long Way Round

Calculates the total distance traveled and arc length of parametric curves by integrating speed.

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Lenny
1/18
Lesson
Mission Control Motion Worksheet
Mission Control Motion Slides

Mission Control Motion

Applies derivatives to physics, interpreting parametric equations as position vectors and calculating velocity, speed, and acceleration.

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Lenny
1/18
Lesson
Curvature Control Worksheet
Curvature Control Slides

Curvature Control

Explores finding second derivatives in parametric form to determine concavity and analyze curve behavior.

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Lenny
1/18
Lesson
Slope Seekers Worksheet
Slope Seekers Slides

Slope Seekers

Focuses on calculating dy/dx for parametric curves and finding tangent lines, distinguishing between coordinate rates of change and geometric slope.

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Lenny
1/18
Lesson
Sarrus Showdown Worksheet
Matrix Method Cards
Determinant Duel Slides
Sarrus Shortcut Teacher Guide

Determinant Duel

This lesson introduces the Rule of Sarrus as a shortcut for finding 3x3 determinants, comparing its efficiency against the standard cofactor expansion method through a competitive 'Method Battle'.

Lenny Avatar
Lenny
1/19
Lesson
Matrix Masters Slides
Row Rivalry Worksheet
Error Spotter Cards
Matrix Masters Key

Matrix Masters

Students learn to calculate 3x3 determinants using the Cofactor Expansion method, focusing on minor matrices and the checkerboard sign pattern through video analysis and collaborative problem-solving.

Lenny Avatar
Lenny
1/19
Lesson
Matrix Decoder Worksheet
Determinant Pulse Check Exit Ticket
Matrix Mastermind Slides

Matrix Mastermind Introduction to Determinants

This lesson introduces students to the determinant of 2x2 matrices. Students will learn the calculation formula, practice with various examples, explore matrices with a determinant of zero, and understand the geometric interpretation of a determinant as the area of a parallelogram.

Lenny Avatar
Lenny
1/19
Lesson
Determinant Designs Facilitation Guide
Determinant Designs Slides
Shoelace Strategy Anchor Chart
Coordinate Combat Worksheet
Coordinate Combat Answer Key

Determinant Designs

Students will bridge the gap between coordinate geometry and linear algebra by connecting the Shoelace Algorithm to matrix determinants. This lesson uses a step-by-step video demonstration followed by algebraic verification of the 3x3 matrix area formula.

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
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.

Lenny Avatar
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.

Lenny Avatar
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.

Lenny Avatar
Lenny
1/18
Lesson
Iterative Solvers Slides
Iterative Solvers Worksheet

Iterative Solvers for Sparse Systems

Exploring iterative methods like Jacobi and Gauss-Seidel for solving massive, sparse systems where elimination is computationally prohibitive.

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Lenny
1/18
Lesson
Numerical Stability Slides
Stability Audit Worksheet

Numerical Stability and Ill Conditioning

Examination of ill-conditioned systems, condition numbers, and the impact of rounding errors on numerical stability.

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Lenny
1/18
Lesson
LU Decomposition Slides
LU Factorization Worksheet

LU Decomposition Factorization

Introduction to Lower and Upper triangular matrix decomposition to optimize solving systems with changing constants.

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Lenny
1/18
Lesson
Gaussian Efficiency Slides
Gaussian Complexity Worksheet

Gaussian Elimination and Efficiency

A formalization of the Gaussian algorithm focusing on matrix notation and the computational cost (Big O notation) for large-scale systems.

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Lenny
1/18
Lesson
Hyperplane Geometry Slides
Vector Space Analysis Worksheet
Linear Algebra Facilitation Guide

Geometry and Vector Spaces

Students explore linear systems as intersections of hyperplanes in n-dimensional space, analyzing uniqueness, existence, and rank within vector spaces.

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Lenny
1/18
Lesson
Animation Engine Project Guide
Animation Project Rubric
Geometric Engine Answer Key

Animation Engine Project

Apply matrix transformation logic to design a simple animation sequence for a digital object, mimicking graphics engine logic.

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Lenny
1/18
Lesson
Super Matrix Slides
Chain Reaction Activity

Composite Transformation Codes

Discover how to combine multiple transformations into a single composite matrix and explore the importance of operation order.

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Lenny
1/18
Lesson
Flip and Spin Slides
Transformation Reference Sheet
Matrix Mirror Worksheet

Flip and Spin Multiplication

Introduce rotation and reflection matrices and use matrix multiplication to reorient shapes in the 2D plane.

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Lenny
1/18
Lesson
Slide and Stretch Slides
Transformation Lab Worksheet

Slide and Stretch Operations

Explore how matrix addition performs translations and scalar multiplication performs dilations on geometric shapes.

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Lenny
1/18
Lesson
Vertex Vault Slides
Vertex Blueprint Worksheet

Vertex Vault Introduction

Students learn to represent the vertices of 2D shapes as columns in a matrix and explore how these arrays correspond to physical points on a coordinate plane.

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Lenny
1/18
Lesson
Codebreaker Slides Hill Cipher
Hill Cipher Mission Worksheet
Decryption Key Teacher Resource Key

The Cipher Key

Students apply matrix inverses to encode and decode secret messages using the Hill Cipher.

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Lenny
1/18
Lesson
Data Containers Worksheet
Data Vectors Rubric

Data Containers

An undergraduate-level introduction to visualizing vectors as multi-dimensional data containers. Students explore real-world applications from catering costs to nutritional data, shifting the perspective of vectors from geometric arrows to abstract data structures.

Lenny Avatar
Lenny
1/19
Lesson
Vector Value Analysis Worksheet
Vector Value Analysis Lesson Plan
Vector Value Analysis Slides

Vector Value Analysis

A 45-minute Pre-Calculus lesson where students apply the dot product to real-world business scenarios, specifically calculating total inventory costs using multidimensional vectors. The lesson features a video-based case study on a catering business and a collaborative activity called 'The School Store'.

Lenny Avatar
Lenny
1/19
Lesson
Linear Combination Challenge Worksheet
Force Fields Presentation
Vector Victory Answer Key

Linear Combination Challenge

A lesson for Advanced Precalculus students focusing on expressing vectors as linear combinations of the unit vectors i and j, featuring physics-based force problems and rapid-fire conversion practice.

Lenny Avatar
Lenny
1/19
Lesson
Programmer Console Worksheet
Robot Vector Commands Slides
Grid Master Teacher Guide

Robot Vector Commands

A high-school geometry or pre-calculus lesson focusing on converting vectors from magnitude and direction to component form through a hands-on 'robot programming' simulation. Students use trigonometry to translate movement commands into x and y displacements.

Lenny Avatar
Lenny
1/19
Lesson
Vector Walks Slides
Vector Walks Worksheet
Complex Plane Grid Paper
Vector Walks Facilitator Guide

Vector Walks

A Pre-Calculus lesson connecting algebraic complex number addition to geometric vector addition on the complex plane using a 'Vector Walk' approach. Students visualize addition as head-to-tail movements on a grid.

Lenny Avatar
Lenny
1/19
Lesson
Launch Lab Slides
Ballistics Boss Teacher Guide
Pumpkin Projectile Worksheet
Pumpkin Projectile Answer Key

Projectile Modeling

The sequence culminates with a realistic physics modeling lesson. Students set up and analyze parametric equations for projectiles, accounting for gravity and initial velocity vectors.

Lenny Avatar
Lenny
1/18
Lesson
Rescue Ops Slides
Tactical Ops Teacher Guide
Search Grid Worksheet
Search Grid Answer Key

Motion Analysis

Students solve complex motion problems, such as finding the time when a particle is moving perpendicular to its position vector or closest to the origin.

Lenny Avatar
Lenny
1/18
Lesson
Distance Duel Slides
Distance Dilemma Teacher Guide
Race Day Worksheet
Race Day Answer Key

Displacement Distance

A comparative analysis lesson where students rigorously distinguish between the net change in position (displacement vector) and the total scalar distance traveled (integral of speed).

Lenny Avatar
Lenny
1/18
Lesson
Vector Shift Slides
Vector Calculus Teacher Guide
Flow Tracker Worksheet
Flow Tracker Answer Key

Vector Calculus Ops

Students extend calculus operations to vector components. They perform component-wise differentiation and integration to find velocity vectors from position and position vectors from velocity.

Lenny Avatar
Lenny
1/18
Lesson
Flight Path Slides
Vector Map Teacher Guide
Path Finder Worksheet
Path Finder Answer Key

Vector Continuity

Students formally define vector-valued functions and explore limits and continuity. They learn to visualize the domain and output as vectors pointing to a path.

Lenny Avatar
Lenny
1/18
Lesson
Particle Report Slides
Accelerator Data Report Assessment
Mastery Map Rubric

Synthesis Assessment

A comprehensive performance task where students analyze a raw data set from a simulated particle accelerator to generate a full kinematic report.

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Lenny
1/18
Lesson
Bug Hunt Slides
Logic Lock Activity Worksheet
Logic Guard Guide

Error Analysis in Coordinate Calculus

Students critique sample calculus work to identify and correct common misconceptions in limits of integration, derivative rules, and coordinate conversions.

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Lenny
1/18
Lesson
Overlap Ops Slides
Shaded Region Showdown Worksheet
Area Analysis Key

Advanced Area Challenges

A workshop focused on finding areas of overlapping polar curves and managing regions with multiple intersections or negative r-values.

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Lenny
1/18
Lesson
Orbital Motion Slides
Vector Velocity Workshop Worksheet
Motion Analysis Key

Parametric vs Polar Motion

An investigation into motion along polar curves, converting polar paths into parametric velocity and acceleration vectors to analyze particle movement.

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Lenny
1/18
Lesson
Path Power Slides
Coordinate Choice Challenge Worksheet
Efficiency Strategy Guide

System Selection Strategy

Students evaluate the efficiency of rectangular, parametric, and polar methods for various geometric problems, emphasizing when to switch systems for algebraic simplicity.

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Lenny
1/18
Lesson
Arc Length Slides
Arc Length Teacher Guide
Arc Length Analysis Worksheet

Arc Length and Total Distance

Students derive and apply the arc length formula for parametric curves. They distinguish between displacement and total distance traveled along a curve.

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Lenny
1/18
Lesson
Vectors in Motion Slides
Kinematics Guide Teacher Resource
Particle Motion Vectors Worksheet

Particle Motion Vectors

Integrating physics concepts, students treat parametric equations as vector-valued functions. They calculate velocity and acceleration vectors, determine speed, and interpret direction.

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Lenny
1/18
Lesson
Concavity and Curvature Slides
Concavity Teacher Guide
Concavity Analysis Worksheet

Concavity and the Second Derivative

Students tackle the complex derivation of the second derivative for parametric equations. The lesson focuses on avoiding common misconceptions and using concavity to analyze curvature.

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Lenny
1/18
Lesson
Slopes on the Fly Slides
Tangency Guide Teacher Resource
Slopes on the Fly Worksheet

Parametric Differentiation and Tangents

This lesson establishes the chain rule application required to find dy/dx given x(t) and y(t). Students calculate the slope of tangent lines and identify points of horizontal and vertical tangency.

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Lenny
1/18
Lesson
Tracking the Path Slides
Bug Hunter Teacher Guide
Bug Path Analysis Worksheet

Introduction to Parametric Equations

Students explore the definition of parametric equations by manually plotting points based on a parameter 't'. They practice eliminating the parameter to convert parametric equations into rectangular form.

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Lenny
1/18