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Worksheet
Curated OER

Matrix Equations Not Requiring Inverses

For Students 9th - 11th
In this matrix equations worksheet, students solve matrix equations involving addition, subtraction, and multiplication.  This four-page worksheet contains 20 problems.  Answers are provided on the last two pages.
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Lesson Plan
EngageNY

When Can We Reverse a Transformation? 2

For Teachers 11th - 12th Standards
The second lesson on finding inverse matrices asks class members to look for a pattern in the inverse matrix and test it to see if it works for all matrices. The teacher leads a discussion to refine the process in finding inverses, then...
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Lesson Plan
EngageNY

When Can We Reverse a Transformation? 1

For Teachers 11th - 12th Standards
Wait, let's start over — teach your class how to return to the beginning. The first lesson looking at inverse matrices introduces the concept of being able to undo a matrix transformation. Learners work with matrices with a determinant...
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Activity
PBL Pathways

Biscuits

For Teachers 10th - Higher Ed Standards
Calculate the nutrients in different types of dog biscuits. Pupils create a technical report outlining the amount of calcium, protein, and carbohydrates in three types of dog biscuits. The project-based learning activity requires...
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Lesson Plan
Curated OER

Dilations with Matrices

For Teachers 9th - 12th Standards
Math whizzes explore dilations. They use matrices to perform dilations centered at the origins of triangles and investigate the effect of scale factor on the size relationship between the pre-image and the image of a polygon. A link to...
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Worksheet
Curated OER

Matrices

For Students 9th - 11th
In this algebra instructional activity, students solve problems using addition, multiplication and subtraction of matrices. There are 15 problems.
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Worksheet
Curated OER

Linear Systems: Using Matrix Operations

For Students 12th - Higher Ed
In this linear systems worksheet, learners use matrix multiplication as an elimination technique to solve linear systems. They compare products and explore trends. This four-page worksheet contains explanations, examples and five...
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Worksheet
Curated OER

Heat Index Formula

For Students 9th - 12th
In this heat index formula instructional activity, students find the heat index for 3 scenarios.  Students use matrix multiplication to determine the heat index given temperature and relative humidity.
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Lesson Plan
EngageNY

Linear Transformations Review

For Teachers 11th - 12th Standards
Time for matrices and complex numbers to come together. Individuals use matrices to add and multiply complex numbers by a scalar. The instructional activity makes a strong connection between the operations and graphical transformations.
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Worksheet
Curated OER

Matrices and Transformations

For Students 10th - 12th Standards
For this matrix worksheet, learners explore and solve problems with matrices by addition, subtraction, multiplication and using linear equations. There are 28 problems with some answers.
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Worksheet
Curated OER

Multivariable Calculus: Linear Systems

For Students 11th - Higher Ed
In this linear systems worksheet, students perform matrix multiplication. This two-page worksheet contains examples, explanations, definitions, and four problems.
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Worksheet
Curated OER

Elimination: Using Matrix Operations

For Students 11th - Higher Ed
In this math worksheet, students practice using a matrix with the method of elimination to find the solutions. They practice using matrix multiplication.
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Lesson Plan
Curated OER

Matrices at the Speed of Light!

For Teachers 9th - 11th
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
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Lesson Plan
Curated OER

NUMB3RS - Season 2 - "Convergence" - Air Hockey

For Teachers 9th - 12th Standards
Learn how to use a matrix to organize data to solve a problem. This activity uses wins and losses to rank players for an air hockey tournament they wish to have. After practicing some basic matrix operations the class could do the...
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Lesson Plan
EngageNY

Composition of Linear Transformations 1

For Teachers 11th - 12th Standards
Learners discover that multiplying transformation matrices produces a composition of transformations. Using software, they map the transformations and relate their findings to the matrices. 
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Assessment
EngageNY

Mid-Module Assessment Task: Pre-Calculus Module 2

For Students 11th - 12th Standards
Assess your classes' knowledge using questions that require high-level thinking and explanation. Learners use matrices to answer application questions. They also demonstrate their understanding of matrix operations.
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Lesson Plan
EngageNY

Composition of Linear Transformations 2

For Teachers 11th - 12th Standards
Scholars take transformations from the second to the third dimension as they extend their thinking of transformations to include three-dimensional figures. They explore how to use matrices to represent compositions of transformations. 
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Assessment
EngageNY

End-of-Module Assessment Task — Precalculus (Module 1)

For Teachers 11th - 12th Standards
A transformational assessment determines how far pupils are advancing toward mastering complex and matrix standards. The assessment checks the learners' understanding of linear transformations, complex numbers and the complex plane,...
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Lesson Plan
Curated OER

Matrix Transformations

For Teachers 9th - 12th Standards
High schoolers perform reflections of polygons. In this algebra lesson, students use matrices to calculate the reflection across the x and y axis. They also calculate rotation representing 90 and 180 degrees around the origin of the...
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Lesson Plan
Curated OER

NUMB3RS - Season 3 - "Provenance" - Matrix Operations

For Teachers 9th - 12th Standards
Learn how to use matrix operations to determine the probabilities that an object will end up at a certain location. The instructional activity is designed as an introduction to matrix operations and is a step-by- step guide through the...
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Worksheet
Curated OER

Multiplication of Matrices

For Students 3rd - 5th
In this multiplication activity, students solve ten math problems involving multiplication of matrices. Students find the product of each matrices.
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Worksheet
Curated OER

The Haar Wavelet Filter Bank

For Students 12th - Higher Ed
In this Haar Wavelet learning exercise, students solve and complete 4 different problems related to the Haar Wavelet filter bank. First, they define the properties of Haar basis. Then, students compute the matrices for the first, second...
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Lesson Plan
Curated OER

Matrices In Encryption And Decryption Of Codes

For Teachers 10th - 12th
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
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Worksheet
Curated OER

Quiz: Multiply a Matrix by a Number

For Students 7th - 8th
In this matrix worksheet, students multiply a matrix by a given number. The matrices range in size from one-by-two to three-by-three. This one-page worksheet contains ten matrix problems.