Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations Using Substitution

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 substitution.
Unknown Type
Wyzant

Wyzant: Algebra Help

For Students 9th - 10th Standards
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
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.
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,...
Unit Plan
Mangahigh

Mangahigh: Algebra: Derive Results Using Algebraic Substitution

For Students 9th - 10th
This site provides students practice with the concept of evaluating expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Handout
CK-12 Foundation

Ck 12: Algebra: Linear Systems: Solve by Graphing & Substitution

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by graphing and substitution. Examples are included.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations using substitution.
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.
Article
Math Planet

Math Planet: The Substitution Method for Solving Linear Systems

For Students 9th - 10th
A way to solve a linear system algebraically is to use the substitution method. The substitution method functions by substituting the one y-value with the other. This resource explains this method by showing an example along with a video.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Intercepts by Substitution

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to graph linear equations by finding intercepts using substitution.
Unit Plan
Cool Math

Coolmath: Systems of Equations Solving by Substitution

For Students 9th - 10th Standards
Reference material and practice problems solving by substitution.
Activity
Math Is Fun

Math Is Fun: Algebra: Substitution

For Students 6th - 8th
What does it mean to "substitute" in algebra? Find a definition and examples of substitution being used to solve simple expressions.
Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Systems of Equations Substitution Method

For Students 9th - 10th Standards
Students watch an online tutorial on the concept of solving systems of equations using the substitution method. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty...
Activity
Texas Instruments

Texas Instruments: Systems of Linear Equations Using Substitution

For Teachers 9th - 10th Standards
Students can use the substitution method of solving systems of linear equations.
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.
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Intercepts by Substitution

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to graph linear equations by finding intercepts using substitution.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.
Activity
Other

Algebra.com: Linear Equation and System Solvers: Solve Linear Systems

For Students 9th - 10th Standards
This interactive linear system solver allows you to enter two linear equations in general form and then plot the lines and find the answer using either substitution or elimination. The answer is presented with both methods accompanied by...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Mixture Problems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve problems that deal with a mixture of two things using the substitution method.
PPT
Sophia Learning

Sophia: Using the Substitution Property of Equality: Lesson 2

For Students 9th - 10th
This lesson will explain how to use the Substitution Property of Equality to evaluate an algebraic expression. It is 2 of 6 in the series titled "Using the Substitution Property of Equality."
PPT
Sophia Learning

Sophia: Using the Substitution Property of Equality: Lesson 4

For Students 7th - 8th
This lesson will explain how to use the Substitution Property of Equality to evaluate an algebraic expression. It is 4 of 6 in the series titled "Using the Substitution Property of Equality."
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Isolate and substitute for one variable to solve systems of equations in two variables.