Cool Math
Coolmath: Scalar Multiplication
This CoolMath resource will help students understand the concept of scalar multiplication.
University of Chicago
Ucsmp: Polygon Plotter
This interactive applet allows you to manipulate polygons using matrices.
CK-12 Foundation
Ck 12: Precalculus Concepts 2.0
A complete high school Precalculus Concepts course. Includes 'Related Modalities' for each lesson that teach the same concept in different ways. The text materials follows Algebra II and comes before Calculus or Statistics. The content...
Cuemath
Cuemath: How to Solve Matrices
In this mini-lesson, we will explore the world of matrices by finding the answers to questions like how to solve systems of equations with matrices, how to solve matrices, and matrix operations with examples and formulas while...
Math Notes and Math Tests
Pre Calculus Notes: Matrices and Systems of Equations [Pdf]
Students learn about matrices and systems of equations. Topics explored are elementary row operations, Gaussian elimination, row-echelon form, and systems with infinitely many solutions. Class notes and examples are included.
Hofstra University
Hofstra University: Game Theory
This Hofstra University lesson has games dealing with matrices.
Wolfram Research
Wolfram Math World: Gaussian Elimination
This site provides an example of Guassian Elimination and concludes with a specific example.
Math Medics
S.o.s. Math: Gaussian Elimination
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.
Math Medics
S.o.s. Math: Application of Determinant to Systems: Cramer's Rule
This lesson explains how the determinant is used for Cramer's Rule.
Other
Special Matrices
Excellent site with definitions and examples of numerous special matrices including the zero matrix.
Other
Hong Kong University of Science and Technology: Augmented Matrix
Demonstration of how an augmented matrix is used to solve a system of linear equations.
Sophia Learning
Sophia: Matrix Multiplication: Lesson 3
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 3 of 2 in the series titled "matrix multiplication."
Sophia Learning
Sophia: Matrix Multiplication: Lesson 5
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 5 of 2 in the series titled "Matrix Multiplication."
Sophia Learning
Sophia: Multiplying Matrices by Scalar Values: Lesson 3
This lesson explains how to multiply a matrix by a scalar. It is 3 of 5 in the series titled "Multiplying Matrices by Scalar Values."
Sophia Learning
Sophia: Multiplying Matrices by Scalar Values: Lesson 5
This lesson explains how to multiply a matrix by a scalar. It is 5 of 5 in the series titled "Multiplying Matrices by Scalar Values."
Sophia Learning
Sophia: Row Operations: Lesson 1
This lesson introduces the basic row operations that can be performed on matrices, explaining why they are valid things to do and providing examples of each. It is 1 of 9 in the series titled "Row Operations."
Sophia Learning
Sophia: Scalar Multiplication: Lesson 3
This brief lesson will introduce scalars, and demonstrate how to perform scalar multiplication with matrices. It is 3 of 10 in the series titled "Scalar Multiplication."
Sophia Learning
Sophia: Singular and Non Singular Matrices: Lesson 1
This lesson introduces the notion of a singular matrix and provides a shortcut to determine whether or not a given 2x2 matrix is singular. It is 1 of 5 in the series titled "Singular and Non-Singular Matrices."
Sophia Learning
Sophia: Using Determinants to Classify 3x3 Matrices: Lesson 2
This lesson demonstrates how the determinant of a 3x3 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.
Sophia Learning
Sophia: Using Matrices to Organize Data: Lesson 2
This lesson provides real-world examples that demonstrate how to organize data into matrices. It is 2 of 5 in the series titled "Using Matrices to Organize Data."
Sophia Learning
Sophia: Using Matrices to Organize Data: Lesson 1
This lesson provides some real-world examples that demonstrate how to organize data into matrices. It is 1 of 5 in the series titled "Using Matrices to Organize Data."
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices #4
This lesson demonstrates how to write systems of equations as augmented matrices.
Sophia Learning
Sophia: Multiplying Matrices by Scalar Values: Lesson 1
This lesson explains how to multiply a matrix by a scalar. It is 1 of 5 in the series titled "Multiplying Matrices by Scalar Values."
Sophia Learning
Sophia: Row Operations: Lesson 3
This lesson introduces the basic row operations that can be performed on matrices, explaining why they are valid things to do and providing examples of each. It is 3 of 9 in the series titled "Row Operations."