Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Graphs of Linear Systems

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students learn to solve linear systems by graphing. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Activity
University of Georgia

University of Georgia: Slope of Lines

For Teachers 9th - 10th Standards
This site provides a detailed unit on finding the slope of lines that investigates methods for solving systems of equations. Good lesson plan for class.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Word Problems That Lead to Simultaneous Equations

For Students 9th - 10th
Here is a site that clearly and thoroughly explains how to solve word problems that lead to systems of equations, such as mixture, coin, investment, and upstream/downstream problems. There are example problems solved, problems for the...
Activity
Texas Instruments

Texas Instruments: Glencoe Algebra 1: Graphing Calculator Investigation Systems

For Teachers 9th - 10th
Students will solve systems of equations.
Article
Khan Academy

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

For Students 7th - 9th
This article will take you through a step-by-step approach for solving a systems of linear equations. Article also includes practice questions.
Activity
Texas Instruments

Texas Instruments: Boats in Motion

For Teachers 9th - 10th
In this lesson, students make observations about the motion of a boat going up and down the river. They will solve the system of equations algebraically and graphically.
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.
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.
Unit Plan
Khan Academy

Khan Academy: Number of Solutions to Equations Challenge

For Students 7th - 8th Standards
Given a linear equation with missing values, determine appropriate values in order to have one, zero, or infinite solutions. For example, complete the equation -11x + 4 = __x + __ so that it has no solutions. Students receive immediate...
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.
Activity
Help Algebra

Help algebra.com: Substitution Method for Systems

For Students 9th - 10th Standards
Using the Substitution Method, a system of equations is solved. The process is shown in detail and can be used as a reference for solving other systems
Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tools: Self Check Quiz on Linear Equations

For Students 9th - 10th Standards
Students show comprehension of advanced mathematical concepts in Algebra I. The questions check understanding on solving systems of linear equations. Techniques included are substitution, elimination, and graphing.
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.
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.
Handout
Oswego City School District

Regents Exam Prep Center: Solving Linear Systems Graphically

For Students 9th - 10th Standards
The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.
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
Purple Math

Purplemath: Systems of Linear Inequalities

For Students 9th - 10th Standards
This Purplemath lesson describes how to solve a system of linear inequalities by graphing.
Unknown Type
Other

University of Wisconsin: Basic Algebra

For Students 9th - 10th Standards
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Systems of Linear Inequalities

For Students 9th - 10th Standards
Solving a system of linear inequalities is shown to be as easy as solving a system of linear equations! An example is explained before students are given several problems to complete on their own. Complete explanations of these are...
Activity
Free Math Help

Free Math Help: Systems of Linear Equations

For Students 9th - 10th Standards
The Algebra II session explores systems of linear equations. Students learn how to solve the problems algebraically and graphically.
Lesson Plan
Alabama Learning Exchange

Alex: Focusing on Graphs

For Teachers 9th - 10th Standards
In this lesson, learners will solve systems of linear equations by graphing. Systems of linear equations are two or more linear equations together.

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