Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 8 [Pdf]
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
PBS
Pbs Teachers: Sports and Math: Batting Averages and More
Set up a spreadsheet using a computer or graphing calculator, and perform calculations using columns. Calculate percentages and solve a system of equations regarding baseball statistics.
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.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given Two Points
[Free Registration/Login may be required to access all resource tools.] Learn how to write an equation given two points
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given the Slope and a Point
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[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.
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
CK-12 Foundation
Ck 12: Algebra: Families of Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to express families of linear equations.
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.
Free Math Help
Free Math Help: Systems of Linear Equations
The Algebra II session explores systems of linear equations. Students learn how to solve the problems algebraically and graphically.
Khan Academy
Khan Academy: Represent Linear Systems With Matrix Equations
Represent systems of two linear equations with matrix equations by determining A and b in the matrix equation A*x=b. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Interpret Equations Graphically
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.