Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Solving Linear Equations

For Students 9th - 10th Standards
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...
Activity
Discovery Education

Discovery Education: Web Math: Solve a Linear Equation Involving One Unknown

For Students 9th - 10th Standards
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.
Activity
Help Algebra

Help algebra.com: Problem Solving Strategies

For Students 9th - 10th
The steps for solving word problems are presented here along with suggestions of how to carry out each step. Learn how to understand, plan, write equations, solve and check each time you work a word problem.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Linear Equations

For Students 9th - 10th Standards
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...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: Quadratic Equations

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Solving Systems of Linear Equations in Three Variables

For Students 9th - 10th Standards
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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Morning Walk

For Teachers 5th - 8th Standards
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...
Handout
Shodor Education Foundation

Shodor: Gas Laws

For Students 9th - 10th
An excellent site for understanding and applying the ideal gas law. The combined and other variations of the ideal gas law are derived. There are sample application problems with an abbreviated method of solving the problems.
Handout
Help Algebra

Help algebra.com: Decimals

For Students 5th - 8th Standards
Keeping in mind that decimals are really fractions, this site shows you how to convert decimals and work with them in solving equations.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Resources for Teaching Math: Algebra Tiles

For Students 9th - 10th Standards
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".
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Ask the Pilot

For Teachers 9th - 10th Standards
In the July 2013 issue of United Airlines' Hemisphere Magazine, a pilot responded to a question about how far in the distance he could see at different altitudes. The solution involved right triangles, lines of tangency to a circle, and...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Jim and Jesse's Money

For Teachers 6th
In this real-world context, 6th graders are given the ratio of Jim's money to Jesse's and the amounts they have spent so far on a road trip, and they must calculate what each person had at the start of the trip. Aligns with 6.RP.A.3.