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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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Lesson Plan
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Curated OER

Application of Matrix Multiplication

For Teachers 9th - 12th Standards
The class explores a real-world application in which the data represents rental prices of beach condos. They problem solve by multiplying matrices to determine the cost of each property in each season. Several scenarios are presented in...
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Lesson Plan
Curated OER

All Systems Go!

For Teachers 9th - 12th Standards
Secret codes are so much fun, and a great way to practice nearly any math skill. Let your class become code breakers as they investigate inverse matrices. They use TI-Nspire technology to solve systems of equations which help them crack...
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Unit Plan
Mathematics Vision Project

Module 10: Matrices Revisited

For Students 10th - 12th Standards
A matrix is just a fancy way of making a table. Young scholars explore operations with matrices with the first lessons in the final module of a 10-unit Algebra II series. After adding, subtracting, and multiplying matrices, pupils use...
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Lesson Plan
EngageNY

Designing Your Own Game

For Teachers 11th - 12th Standards
Your classes become video game designers for a day! They utilize their matrices, vectors, and transformation skills to create and design their own game images. The complex task requires learners to apply multiple concepts to create their...
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Lesson Plan
EngageNY

Projecting a 3-D Object onto a 2-D Plane

For Teachers 11th - 12th Standards
Teach how graphic designers can use mathematics to represent three-dimensional movement on a two-dimensional television surface. Pupils use matrices, vectors, and transformations to model rotational movement. Their exploration involves...
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Lesson Plan
EngageNY

First-Person Computer Games

For Teachers 11th - 12th Standards
How do graphic designers project three-dimensional images onto two-dimensional spaces? Scholars connect their learning of matrix transformations to graphic design. They understand how to apply matrix transformations to make...
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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

Matrix Multiplication Is Distributive and Associative

For Teachers 11th - 12th Standards
Learn the ins and outs of matrix multiplication. After discovering the commutative property does not apply to matrix multiplication in a previous lesson plan in the series, pupils now test the associative and distributive properties. The...
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Lesson Plan
EngageNY

Matrix Multiplication Is Not Commutative

For Teachers 11th - 12th Standards
Should matrices be allowed to commute when they are being multiplied? Learners analyze this question to determine if the commutative property applies to matrices. They connect their exploration to transformations, vectors, and complex...
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Lesson Plan
EngageNY

Matrix Addition Is Commutative

For Teachers 11th - 12th Standards
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
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Lesson Plan
Curated OER

Dilations with Matrices

For Teachers 9th - 12th Standards
Examine dilation with matrices with your class. Learners write a conjecture for how the scale factor determines the size of an image. They then use their conjecture to write a matrix multiplication problem for the illustrated triangle...
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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
Curated OER

Properties of Matrices

For Teachers 9th - 12th Standards
A TI-nspire lesson to find determinants of matrices using calculators. The class follows along in this step by step activity to explore operations on matrices. They will mostly be multiplying and at the end of the lesson they are guided...
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Lesson Plan
Curated OER

Using Matrices to Enter Data and Perform Operations

For Teachers 9th - 12th Standards
Here's a TI step by step guided instructional activity on matrices. The class enters data into the TI calculator about movie ticket sales and uses matrices as a problem solving tool. They add and multiply matrices to determine profit.
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Lesson Plan
2
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Curated OER

NUMB3RS Activity: Coded Messages

For Teachers 9th - 12th Standards
Using matrix multiplication and inverse matrices, high schoolers are trying to uncode a coded message. Students encrypt simple messages using 2 x 2 matrices.
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Lesson Plan
1
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Curated OER

Operating on Matrices

For Teachers 9th - 12th Standards
Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Students find the determinant and inverse of a matrix.  The lesson includes a set of practice problems
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Lesson Plan
1
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Curated OER

Solving Systems Using Matrices

For Teachers 9th - 11th Standards
Explore the concept of systems of equations in two variables and use matrices to solve them. Young mathematicians enter coefficients and constants into a matrix and then solve using row reduction. Instructions on how to use the shortcut...
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Worksheet
Curated OER

Solving Linear Systems Using Matrices

For Students 9th - 12th Standards
Start with the definition of a determinant and how to evaluate a 2x2 determinant. Apply this skill to solve systems of two equations with two unknowns by using Cramer's rule. These four basic problems would be good for a quick review or...
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Worksheet
Curated OER

Multiplying Matrices

For Students 10th - 12th Standards
Go over the basics of matrix multiplication, from checking the dimension of the factors, to applying the distributive property. This worksheet includes directions on when and how to multiply matrices, one example, and a few problems your...
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Lesson Plan
Curated OER

Exploring Transformations with Matrices

For Teachers 9th - 12th Standards
A page right out of the Holt Geometry book. Use a graphing calculator and graph paper to explore transformations with matrices.  
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Lesson Plan
Curated OER

Matrix Multiplication

For Teachers 9th - 12th Standards
Students solve matrices using multiplication. In this algebra lesson, students identify the properties needed to multiply matrices. They define the terms matrix and dimensions.
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Lesson Plan
1
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Curated OER

Matrix Inverses

For Teachers 9th - 12th Standards
High schoolers solve problems with matrices. In this algebra lesson, students find the inverse of a matrix. They calculate the determinant and solve for the identity.
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Lesson Plan
Curated OER

Coded Messages

For Teachers 9th - 12th Standards
High schoolers solve matrices by multiplication. In this algebra lesson, students create coded messages and relate it to solving matrices. They multiply and find the inverse of matrices.