[Free Registration/Login may be required to access all resource tools.] The video [0:34] describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics...

Practice solving word problems by adding and subtracting fractions with like denominators. Gaby ate 2 slices of pie and Daniel ate 2. If there were 10 slices of pie all together, what fraction did they eat? Students receive immediate...

Goes through the steps involved in adding and subtracting fractions with different denominators and provides examples.

Practice adding and subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...

A tutorial as an introduction to polynomials. Basic terminology and simple algebraic manipulations. Offers discussions and practice exercises with answers and explanations.

[Free Registration/Login may be required to access all resource tools.] The video describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics in the...

[Free Registration/Login may be required to access all resource tools.] This lesson covers adding and subtracting matrices with the same dimensions. Students can watch a video tutorial, explore guided notes and then attempt practice...

This card game will help students review the basic operations with fractions. The materials needed, the rules of the game, and several follow-up activities are provided here for the teacher as a lesson plan.

The purpose of this task is to promote certain addition strategies that will help students learn to fluently add and subtract within 20. Students will use a number line or magnetic cubes to solve addition problems. Students will be asked...

Practice adding two-digit numbers. All numbers in these problems are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding three-digit numbers. All sums are 1000 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, and ask for hints.

A tutorial will guide you through the rules and steps for adding, subtracting, multiplying, and dividing real numbers, as well as evaluating numeric expressions and using order of operations. Contains step-by-step solutions to example...

Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.

This lesson has an explanation for adding two-digit numbers using paper and pencil. There is also a game to practice your skills. The game gives you a percent score of your correct answers, as well as running totals of your correct and...

Add, subtract, multiply and divide complex numbers using these easy-to-follow examples.

Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations.

Find an angle's measure when given the measures of its parts. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Do math calculations with mixed numbers (mixed fractions) performing operations on fractions, whole numbers, integers, mixed numbers, mixed fractions, and improper fractions. This calculator can add, subtract, multiply and divide mixed...