Khan Academy
Khan Academy: Substitution Method Review (Systems of Linear Equations)
This article will take you through a step-by-step approach for solving a systems of linear equations. Article also includes practice questions.
Khan Academy
Khan Academy: Elimination Method Review (Systems of Linear Equations)
Explains how to use elimination to simplify and solve systems of linear equations. Includes practice problems and explanations of their solutions.
Khan Academy
Khan Academy: Solve Systems of Linear Equations With Elimination (Basic)
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.
Math Planet
Math Planet: Algebra 1: Graphing Linear Systems
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
CK-12 Foundation
Ck 12: Algebra: Testing Solutions for Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] Write and solve linear inequalities.
CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities to find solutions.
TeachEngineering
Teach Engineering: The Balancing Act
Students are given the opportunity to visualize and interact with concepts they have already learned, specifically algebraic equations and solving for unknown variables. Students construct a balancing seesaw system (LEGO Balance Scale)...
CK-12 Foundation
Ck 12: Algebra: Special Products of Polynomials
[Free Registration/Login may be required to access all resource tools.] Recognize patterns of polynomials that are the product of two binomials.
Cool Math
Coolmath: Cramer's Rule for 3x3's
Use this tutorial to learn how Cramer's Rule works for 3 x 3.
Khan Academy
Khan Academy: Age Word Problems
In this exercise, students practice age word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.