eBook
Math Planet

Math Planet: The Elimination Method for Solving Linear Systems

For Students 9th - 10th
Provides examples and a video lesson that illustrates how to use the elimination method to solve linear equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparing Methods for Solving Linear Systems

For Students 9th - 10th Standards
[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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Use the elimination method to solve systems of linear equations.
Handout
Khan Academy

Khan Academy: Elimination Method Review (Systems of Linear Equations)

For Students 7th - 8th Standards
Explains how to use elimination to simplify and solve systems of linear equations. Includes practice problems and explanations of their solutions.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations Using Elimination

For Students 9th - 10th Standards
Given a system of two equations where at least one of the equations is linear, the student will solve the system using the algebraic method of elimination.
Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Systems of Equations Elimination Method

For Students 9th - 10th Standards
Students learn about the concept of systems of equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Multiplication

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.
Handout
Other

Morgan State: Linear Algebraic Equations and Matrices

For Students 9th - 10th Standards
This site gives information on linear equations and matrices. Among the topics discussed are the substitution method, Gauss-Jordan Elimination Method, matrix operations, matrix multiplication, and inverse matrices.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Activity
Texas Instruments

Texas Instruments: Elimination

For Teachers 9th - 10th
This activity uses geometric examples to illustrate the method of elimination to obtain a Cartesian equation using the Computer Algebra System CAS tool.
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
Help Algebra

Help algebra.com: Addition Method to Solve Systems

For Students 9th - 10th Standards
Also known as the Elimination Method, the Addition Method is used in solving several systems of equations. This step-by-step demonstration is a helpful resource to use when learning about solving systems.
Unit Plan
Cool Math

Coolmath: Systems of Equations Solving by Elimination

For Students 9th - 10th Standards
Reference material and practice problems solving systems of equations using elimination.
Unit Plan
Cool Math

Coolmath: Systems of Equations Solving by Elimination With 3x3's

For Students 9th - 10th Standards
Reference material and practice problems solving systems of equations using elimination.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Systems of Nonlinear Equations

For Students 9th - 10th Standards
Learn how to solve a system of nonlinear equations using the substitution and the elimination methods. This tutorial offers definitions, problems and step-by-step solutions, and practice exercises for you to complete and check.
Activity
J Coffman

Joseph Coffman's Lecture Notes: Solving Systems of Equations Algebraically

For Students 9th - 10th Standards
The lesson explores solving systems of equations algebraically. Topics discussed are the elimination method, substitution method, addition property, and special cases. Examples with detailed solutions and an assessment are included.
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.
Handout
Oak Ridge National Laboratory

Ornl: 7 Gaussian Elimination on Band Matrices

For Students 9th - 10th Standards
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Unknown Type
Khan Academy

Khan Academy: Solve Systems of Linear Equations With Elimination (Advanced)

For Students 6th - 8th Standards
In this exercise, students practice solving systems of linear equations with elimination (advanced). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Solve Systems of Linear Equations With Elimination (Basic)

For Students 6th - 8th Standards
In this exercise, students practice solving systems of linear equations with elimination. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Systems of Equations With Elimination

For Students 9th - 10th Standards
Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Systems of Equations With Elimination Challenge

For Students 9th - 10th Standards
Solve systems of equations with multi-step elimination (e.g., a manipulation is needed in order for x-values and y-values to cancel each other out). Students receive immediate feedback and have the opportunity to try questions...
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Simultaneous Linear Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains how to solve systems of linear equations using the methods of combination, substitution, and Cramer's Rule. There are example problems solved, problems for the student to attempt, and...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Systems of Linear Equations in Two Var.

For Students 9th - 10th Standards
This tutorial will guide you through several tasks associated with systems of linear equations in two variables. Complete with definitions, problems with step-by-step solutions, and example exercises for you to complete and check.