Khan Academy
Khan Academy: Equations With Variables on Both Sides: Decimals & Fractions
Solve linear equations where the variable appears on both sides of the equation and the coefficients are decimals or fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
PBS
Pbs: Solving Linear Equations With Negative Numbers
Solve a linear equation that has negative numbers and a variable. This video focuses on using inverse operations to solve for a variable.
Khan Academy
Khan Academy: Linear Equations With Unknown Coefficients
Solve a linear equation for a variable where the coefficients are represented by letters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Equations With Variables on Both Sides
Practice solving one-variable equations like 20 - 7x = 6x - 6, where the variable appears on both sides of the equals sign. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Linear Equations
Here is a site that clearly and thoroughly explains solving linear equations, from the basic form ax+b=c up through equations with variables on both sides and with parentheses. There are example problems solved, problems for the student...
Discovery Education
Discovery Education: Web Math: Solve a Linear Equation Involving One Unknown
This WebMath site explains how to enter your equation with one variable and solve for that variable. It explains step-by-step how to solve the equations and gives the final solutions.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Linear Equations in Two Var.
This tutorial will guide you through several tasks associated with systems of linear equations in two variables. Complete with definitions, problems with step-by-step solutions, and example exercises for you to complete and check.
Oswego City School District
Regents Exam Prep Center: Quadratic Equations
Includes lesson, practice exercise, and teacher resource on how to factor quadratic equations. You'll find examples for using the factoring and graphing methods for solving, a twelve-question quiz with hints and answers, and a suggested...
Math Open Reference
Math Open Reference: Equation
Learn about equations with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Solving Linear Equations
Through this tutorial, you'll learn strategies and definitions that will help you solve linear equations. Example problems with step-by-step solutions and practice exercises with answers and explanations make this resource perfect for...
Khan Academy
Khan Academy: Equations & Inequalities Word Problems
Construct an equation or an inequality that model a given context. Modeling expressions can be quadratic, rational, or exponential.
Texas A&M University
Wtamu Virtual Math Lab: Solving Systems of Linear Equations in Three Variables
This tutorial will show you how to solve a system of linear equations in three variables by using the elimination method. Complete with definitions, example problems with step-by-step solutions, and practice exercises for you to complete...
Illustrative Mathematics
Illustrative Mathematics: 6.ee Morning Walk
This task presents a straight forward question that can be solved using an equation in one variable. The numbers are complicated enough so that it is natural to set up an equation rather than solve the problem in one's head. Aligns with...
Illustrative Mathematics
Illustrative Mathematics: A Rei the Circle and the Line
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
Purple Math
Purplemath: Cramer's Rule
Cramer's Rule for solving a system of equations is presented here using an example of a system in three variables with three equations. The "everything," approach of solving for all three variables is shown as well as the "selective,"...
National Council of Teachers of Mathematics
Nctm: Illuminations: Resources for Teaching Math: Algebra Tiles
Try this hands-on approach to solving algebra problems with this interactive website. Students are able to "solve equations, substitute in variable expressions, expand, and factor".
Illustrative Mathematics
Illustrative Mathematics: F Le Taxi!
In this task, students explore the linear relationship between distance traveled and taxi fare cost. Aligns with A-REI.D.10 and F-LE.B.5.
Khan Academy
Khan Academy: Equivalent Forms of Exponential Expressions
Determine whether pairs of exponential expressions are equivalent.
Illustrative Mathematics
Illustrative Mathematics: F Le Sandia Aerial Tram
For this task, students examine data on the elevation and the minutes into a ride for a tram that is traveling up a mountain and write an equation for the function that models the relationship between the two variables. Aligns with...