Unit Plan
Mangahigh

Mangahigh: Algebra: Solve Systems of Equations Straight Line Graphs

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.
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...
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Khan Academy

Khan Academy: Practice: Solve Systems of Equations With Substitution

For Students 8th Standards
In this practice quiz, students are given a system of two equations and asked to substitute the information from one equation into the other in order to determine x and y. Includes hints.
Activity
Paul Dawkins

Paul's Online Notes: Algebra: Systems of Equations

For Students 9th - 10th Standards
Learners examine how to solve systems of equations. Topics investigated are linear systems with two variables, linear systems with three variables, augmented matrices, and nonlinear systems. Class notes, definitions, and examples with...
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
Khan Academy

Khan Academy: Systems of Equations With Substitution

For Students 7th - 8th Standards
Solve systems of equations where one of the equations is solved for one of the variables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: 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
Texas A&M University

Wtamu Virtual Math Lab: Solving Systems of Linear Equations in Three Variables

For Students 9th - 10th Standards
This tutorial will show you how to solve a system of linear equations in three variables by using the elimination method. Complete with definitions, example problems with step-by-step solutions, and practice exercises for you to complete...
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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.
Unit Plan
Khan Academy

Khan Academy: Linear Systems of Equations Capstone

For Students 7th - 8th Standards
Solve systems of equations with any number of solutions using any solution method. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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.
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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...
Unit Plan
Cool Math

Coolmath: Systems of Equations Freaky Things That Can Happen With 2x2's

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

Coolmath: Systems of Equations Introduction to 3x3's

For Students 9th - 10th Standards
Reference material and practice problems solving systems of 3 equations.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations by addition or subtraction.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations by addition or subtraction.
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve systems of equations by addition or subtraction.
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Khan Academy

Khan Academy: Systems of Linear Equations Word Problems

For Students 6th - 8th Standards
In this exercise, students practice solving systems of linear equations in word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Handout
Cool Math

Coolmath: Systems of Equations Freaky Things That Can Happen With 3x3's

For Students 9th - 10th Standards
Reference material solving systems of 3 equations.
Whiteboard
ClassFlow

Class Flow: Solving Systems Using Elimination

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart shows students how to solve systems of linear equations using elimination.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Website
Other

Algebra.com: Linear Equation and System Solvers

For Students 9th - 10th Standards
Linear equations can be solved and graphed using this interactive site. This site allows the user to enter any linear equation in standard form and the y-intercept will be found through a step-by-step process. Systems of inequalities can...