Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations Using Matrices

For Students 9th - 10th Standards
Given a system of up to three linear equations, the student will solve the system using matrices with technology.
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Solving Systems of Linear Equations

For Students 9th - 10th Standards
Learners show comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on solving systems of linear equations. Topics include solving systems using graphing, substitution, and elimination methods.
Activity
National Council of Teachers of Mathematics

The Math Forum: Math Library Maple

For Students 9th - 10th
This site from The Math Forum provides links to sites that relate to solving linear equations by using Maple and other techniques. This site contains on line text books for higer math courses.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems of Linear Equations in Three Variables

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of equations in three variables (x, y, and z).
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.
Website
Other

Quick Math: Graph Equations and Inequalities

For Students 6th - 8th Standards
This resource is from the QuickMath website that illustrates how to graph equations, inequalities and a system.
Handout
Math Planet

Math Planet: Algebra 2: Solving Systems of Equations in Three Variables

For Students 9th - 10th Standards
Get information about solving systems of equations in three variables by viewing examples and a video lesson. [6:35]
eBook
Math Planet

Math Planet: Algebra 2: Solving Systems of Equations in Two Variables

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrate how to solve systems of equations in two variables. [1:43]
Lesson Plan
Other

Nearpod: Pairs of Linear Equations

For Teachers 8th Standards
In this lesson, 8th graders will learn how to solve systems of equations by graphing, substitution, and elimination.
Unit Plan
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Sistemas De Ecuaciones Lineales

For Students 9th - 10th Standards
In Spanish. In this interactive unit learn how to identify, graph and solve linear equations with two unknowns.
Activity
Interactive Mathematics

Interactive Mathematics: Solving Systems Algebraically

For Students 9th - 10th Standards
Both the substitution and elimination methods are presented through detailed examples. Learn step by step how to find solutions to any linear system of two variables.
Whiteboard
ClassFlow

Class Flow: Solving Systems by Graphing

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students will learn how to estimate what the solution to a system of linear equation is by graphing.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Systems by Multiplying One Equation

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying one equation by a constant to eliminate a variable.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems of Linear Inequalities

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Graph and solve systems of linear inequalities.
Activity
Texas Instruments

Texas Instruments: Writing and Solving Systems of Equations Using Cabri Jr.

For Teachers 9th - 10th
Through this introduction to the use of the Cabri Jr. application in the Algebra classroom, students will algebraically and graphically determine equations of lines, as well as determine solutions to systems of linear equations. Using...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Determining the Type of Linear System

For Students 10th - 12th
[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.
Whiteboard
ClassFlow

Class Flow: Linear Equations Substitution

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.
Activity
Texas Instruments

Texas Instruments: Solving a System of Linear Equations

For Teachers 9th - 10th
In this activity, students' will collect and analyze motion data in order to determine the solution to a linear system of equations. They graph two motions on a common axis and find their intersection.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations With Algebraic Methods

For Students 9th - 10th Standards
Given verbal and/or algebraic descriptions of situations involving systems of two-variable linear equations, the student will solve the system of equations by different methods.
Activity
Interactive Mathematics

Interactive Mathematics: Algebraic Solutions of Systems

For Students 9th - 10th Standards
Nonlinear systems are solved using the algebraic methods of substitution and addition/subtraction. Learn how these methods work through detailed examples.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Systems by Multiplying Both Equations

For Students 10th - 12th Standards
[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.
Activity
Analyze Math

Analyze Math: Cramer?s Rule to Solve Systems of Equations

For Students 9th - 10th Standards
Learners are introduced to the Algebra II topic of solving systems of linear equations. The tutorial proves Cramer?s rule of solving 2 by 2 systems of equations. The activity includes a defintion and an example with a detailed solution.
Unknown Type
Khan Academy

Khan Academy: Check Solutions to Systems of Equations

For Students 6th - 8th Standards
In this exercise, students check solutions to systems of equations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
PBS

Pbs: Graphing a System of Equations

For Students 6th - 8th
Solve a number riddle by finding the point of intersection for two lines. This video focuses on finding the solution for a system of equations, they are represented as an algebraic expression and a set of linear equations that are...