Math Aids
Math Aids: Equations Worksheets
Great resource to practice and strengthen math skills pertaining to equations. Math worksheets are printable, may be customized, and include answer keys.
Interactive Mathematics
Interactive Mathematics: Solving Systems Algebraically
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.
CK-12 Foundation
Ck 12: Algebra: Use Graphs to Solve Quadratic Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to use graphs to solve quadratic equations.
National Council of Teachers of Mathematics
Nctm: Illuminations: Algebra Tiles
This resource is about factoring linear and quadratic expressions in one variable, evaluating them at a given value of the variable, multiplying factors to find the expanded form of the expression, and solving linear and quadratic...
Math Planet
Math Planet: Pre Algebra: Different Ways to Solve Equations
Gain an understanding of the different ways to solve equations by viewing examples and a video lesson. [2:21]
ClassFlow
Class Flow: Solving Equations by Combining Like Terms
[Free Registration/Login Required] This flipchart teaches the strategy of solving multi-step equations by combining like terms first. It includes questions to be used with the Activotes. It also includes an interactive piece where...
Khan Academy
Khan Academy: Systems of Equations With Elimination Challenge
Solve systems of equations with multi-step elimination (e.g., a manipulation is needed in order for x-values and y-values to cancel each other out). Students receive immediate feedback and have the opportunity to try questions...
Other
Ecuaciones Lineales Con Dos Variables
In Spanish. Everything you want to know about linear equations in easy to understand, step by step explanations. Discusses two variable equations, and different methods to solve them, slope, and more. Also provides practice problems for...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Nonlinear Equations
Learn how to solve a system of nonlinear equations using the substitution and the elimination methods. This tutorial offers definitions, problems and step-by-step solutions, and practice exercises for you to complete and check.
Can Teach
Can Teach: Target: An Equations Game
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
Other
Cre: Ecuaciones Cuadraticas
In Spanish. Clear step by step directions, explanations and example problems of quadratic equations. Explains factorization, the quadratic formula, and completing the square.