CK-12 Foundation
Ck 12: Algebra: Matrix Multiplication
[Free Registration/Login may be required to access all resource tools.] This lesson explains how to multiply two matrices and presents practice exercises.
CK-12 Foundation
Ck 12: Algebra: Cramer's Rule
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems of equations using Cramer's Rule.
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PBS
Pbs Mathline: Stressed to the Breaking Point Lesson Plan [Pdf]
Students explore how much weight a spaghetti bridge can support and whether width and length matter. Printable lesson.
CK-12 Foundation
Ck 12: Algebra: Writing and Solving a Matrix Equation
[Free Registration/Login may be required to access all resource tools.] This lesson covers using a matrix equation to solve a system of linear equations.
Oak Ridge National Laboratory
Ornl: 7 Gaussian Elimination on Band Matrices
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
CK-12 Foundation
Ck 12: Algebra: Comparing Methods for Solving Linear Systems
[Free Registration/Login may be required to access all resource tools.] Decide which method is the best one to use to solve a system of linear equations.
ClassFlow
Class Flow: Linear Equations Substitution
[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Addition or Subtraction
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by adding the two equations together to eliminate a variable.
CK-12 Foundation
Ck 12: Algebra: Solving Systems by Multiplying Both Equations
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying both equations by a constant to eliminate a variable.
CK-12 Foundation
Ck 12: Algebra: Comparing Methods for Solving Linear Systems
[Free Registration/Login may be required to access all resource tools.] This lesson covers determining the best method to solve a linear system.
CK-12 Foundation
Ck 12: Algebra: Consistent and Inconsistent Linear Systems
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems with substitution when there is no or infinitely many solutions.
CK-12 Foundation
Ck 12: Algebra: Determining the Type of Linear System
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by graphing when there is no solution or infinitely many solutions.
Cuemath
Cuemath: Linear Equations in Two Variables
A comprehensive guide for learning all about linear equations in two variables with definitions, how to solve them, solved examples, and practice questions.
CK-12 Foundation
Ck 12: Algebra: Linear Programming
[Free Registration/Login may be required to access all resource tools.] Given a set of constraints, graph and solve linear problems.
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.
Other
Stony Brook University: Solving Linear Equations
The name linear comes from the fact that such an equation in two unknowns or variables represents a straight line. A set of such equations is called a system. This site explains all this and more.
Other
Asl: Heart of Algebra: Chapters 19 21 (Sat and Psat Prep)
Chapter 19 Heart of Algebra focuses on the mastery of linear equations, systems of linear equations, and linear functions. The ability to analyze and create linear equations, inequalities, and functions is essential for success in...
Physics Classroom
The Physics Classroom: Momentum and Its Conservation: Algebraic Problem Solving
In this physics tutorial, the law of momentum conservation will be combined with the use of a momentum table and some algebra skills to solve problems involving collisions occurring in isolated systems.
Other
Hsor.org: Cutting Times: Trimming Losses
Use this lesson plan to have students explore systems of inequalities.
CK-12 Foundation
Ck 12: Algebra: Matrix Algebra
[Free Registration/Login may be required to access all resource tools.] This lesson covers simplifying matrix expressions using all the previously learned matrix operations.
Illustrative Mathematics
Illustrative Mathematics: A rei.c.7 & a rei.d.10: A Linear and Quadratic System
The purpose of this task is to give students the opportunity to make connections between equations and the geometry of the graphs. Aligns with A-REI.C.7and A-REI.D.10.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Review Exercises: Matrix Algebra
Students review matrix algebra. The resource consists of review exercises on the mathematics concepts.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Quiz: Matrix Algebra
The online quiz assesses student comprehension of math concepts. The quiz consists of true/false questions about matrix algebra.
University of St. Andrews (UK)
University of St. Andrews: History of Matrices
The University of St. Andrews allows you to look through the history of matrices.