Activity
Purple Math

Purplemath: Systems of Linear Equations: Definitions

For Students 9th - 10th Standards
Covers the basic definitions involved in systems of linear equations.
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.
Unit Plan
Khan Academy

Khan Academy: Testing Solutions to Equations

For Students 5th - 7th Standards
Practice plugging in values to equations and checking to see if the equations hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Texas Instruments

Texas Instruments: Higher Order Differential Equations

For Teachers 9th - 10th
In this activity, students use the calculator to graph the solution to a second-order and third-order differential equations. They convert higher order differential equations by substitution to a system of first order differential...
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...
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
Whiteboard
ClassFlow

Class Flow: Linear Equations Substitution

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.
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.
Lesson Plan
Alabama Learning Exchange

Alex: Systems on a Mission

For Teachers 9th - 10th
After solving one system of equations by the methods of graphing, elimination using addition or subtraction, elimination using multiplication, and substitution, students will be given four systems to be solved by one of each of the four...
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,...
Lesson Plan
Alabama Learning Exchange

Alex: Battleships

For Teachers 9th - 10th
This lesson is designed to review and reinforce three methods (graphing, substitution and elimination) of solving systems of linear equations. The students will work together and independently to find the solutions to systems of...
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: Types of Chemical Reactions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will define and give general equations for combination, decomposition, single-replacement, and double-replacement...
Unit Plan
CK-12 Foundation

Ck 12: Types of Chemical Reactions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this learning module, studnets will classify a chemical reaction as a combination, decomposition, single replacement, double replacement, or combustion reaction....
Whiteboard
ClassFlow

Class Flow: Trigonometric Functions

For Teachers 9th - 10th Standards
[Free Registration/Login Required] After a quick review of properties in Algebra- addition property of equality and multiplication property of equality- students are guided through all solutions using numerous strategies including back...
Activity
Texas Instruments

Texas Instruments: Math a Review 1

For Teachers 9th - 10th Standards
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Testing Solutions for Linear Inequalities

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Write and solve linear inequalities.