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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Multiplication

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
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Handout
CK-12 Foundation

Ck 12: Algebra: Linear Systems: Solve by Elimination Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by elimination. Examples are included.
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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...
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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.
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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.
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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.
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Handout
Math Planet

Math Planet: Algebra 1: Graphing Linear Systems

For Students 8th - 9th Standards
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
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Lesson Plan
Other

Metal: Linear Equations Ii [Pdf]

For Teachers 9th - 10th Standards
The resource is a lesson guide that discusses linear equations. Topics include solving simultaneous equations using graphing and algebra, and economic applications.
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Systems of Linear Equations

For Students 9th - 10th
This website contains tutorials that cover the methods used to solve linear equations, substitution, elimination (adding & subtracting), and graphing. The practice pages allow students to practice the skills they have learned. On the...
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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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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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Activity
Texas Instruments

Texas Instruments: Linear Systems: Using Algebra

For Teachers 9th - 10th Standards
Students learn to solve a system of linear equations (2 equations with 2 variables) by substitution and elimination methods. They also review the definitions of consistent (independent and dependent) and inconsistent systems, and...
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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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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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Unit Plan
Oswego City School District

Regents Exam Prep Center: Linear Quadratic Systems

For Students 9th - 10th Standards
Resources to use when planning instruction on linear-quadratic systems. Find lessons on solving systems algebraically and graphically, a practice quiz with solutions, and a worksheet through which students investigate and solve systems.
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Activity
Other

Stony Brook University: Solving Linear Equations

For Students 9th - 10th Standards
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.
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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.
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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.
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Whiteboard
ClassFlow

Class Flow: Solving Linear Systems

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart provides a two-day instructional plan for in-depth analysis to solving linear systems.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Addition or Subtraction

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

Ck 12: Algebra: Consistent and Inconsistent Linear Systems

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

Ck 12: Algebra: Graphs of Linear Systems

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Students learn to solve a linear system by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
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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...
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Checking a Solution for a Linear System

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers determining if an ordered pair is a solution to a system of linear equations. Students watch a video tutorial, explore guided notes and attempt...