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Unit Plan
Texas Education Agency

Texas Gateway: Solving Linear Inequalities

For Students 9th - 10th Standards
The student will represent linear inequalities using equations, tables, and graphs. The student will solve linear inequalities using graphs or properties of equality, and determine whether or not a given point is a solution to a linear...
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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...
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Unknown Type
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.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Forms of Linear Equations

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Forms of Linear Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
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Unit Plan
PBS

Pbs: Pairs of Linear Equations

For Students 6th - 8th
Use the Visualize It! tool to model word problems. This interactive exercise focuses on solving systems of equations by visualizing the problem or writing expressions then you get to make you own model and write your own word problem to...
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Whiteboard
ClassFlow

Class Flow: Applications of Linear Systems

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students will learn how to use the best method to solve a system of linear equations and will use systems of linear equations to model real-life problems.
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Linear Quadratic Systems

For Students 9th - 10th Standards
The mathematics tutorial explores how to solve linear and quadratic systems of equations. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet that...
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Unit Plan
Khan Academy

Khan: Lesson 5: Relationships Among Linear Equations, Lines in Coordinate Plane

For Students 9th - 10th Standards
This lesson focuses on the relationship between algebraic, graphical, and contextual expressions of linear equations.
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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.
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Activity
Purple Math

Purplemath: Systems of Linear Equations: Definitions

For Students 9th - 10th Standards
Covers the basic definitions involved in systems of linear equations.
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Activity
Other

Simon Fraser University: Background for Linear Systems

For Students 9th - 10th
This site from the Simon Fraser University gives an introduction to solving a system of differential equations.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Systems of Linear Equations Algebraically

For Students 9th - 10th Standards
Twenty-seven problems present a variety of practice solving systems of linear equations algebraically. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...
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Activity
Texas A&M University

Systems of Linear Equations an Introduction [Pdf]

For Students 9th - 10th Standards
Use this site to see how graphing and substitution are used to solve systems of equations. The examples have systems that have one, infinite, or no solutions. The site is set up to see the solutions step by step.
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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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Activity
Texas Instruments

Texas Instruments: Systems of Linear Equations

For Teachers 9th - 10th Standards
This activity is a series of LearningCheck documents to be used during a unit on solving systems of linear equations.
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Lesson Plan
Other

Nearpod: Pairs of Linear Equations

For Teachers 7th - 9th Standards
In this instructional activity, students will learn how to solve systems of equations by graphing, substitution, and elimination.
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Determining the Type of Linear System

For Students 8th Standards
[Free Registration/Login may be required to access all resource tools.] Recognize linear systems of equations with solutions and without solutions.
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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.
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Handout
Oswego City School District

Regents Exam Prep Center: Solving Systems Using Addition or Subtraction

For Students 9th - 10th Standards
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
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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.
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Activity
Math Medics

S.o.s. Math: Systems of Equations in 2 Variables

For Students 9th - 10th Standards
Discusses how to solve systems of equations in two variables by reviewing ans showing examples of the four methods of solving linear equations: substitution, elimination, matrices, and graphing.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphing Systems of Inequalities

For Students 9th - 10th Standards
Nineteen problems present a variety of practice solving linear systems by graphing systems of inequalities. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
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Activity
Interactive Mathematics

Interactive Mathematics: Graphical Solutions of a System

For Students 9th - 10th Standards
An example of how to find the solution of a linear system is presented using the graphing method. This is a nice tutorial for students to use as a reference while practicing with linear systems.