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...

[Free Registration/Login may be required to access all resource tools.] Learn how to add integers.

This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.

The goal of this lesson is for students to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson will be related to the 300 Spartans who battled the invading Persians at the Battle of Thermopylae,...

[Free Registration/Login Required] This flipchart is designed to show how to display algebraic expressions using manipulatives and how to add and subtract integers using manipulatives.

Practice more challenging problems where you identify positive and negative integers on a number line that doesn't have zero labeled. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

Practice plugging in values to evaluate negative number addition and subtraction expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.

[Free Registration/Login may be required to access all resource tools.] Students practice solving word problems that use multiplication to find the distance.

In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]

Practice identifying equivalent expressions involving the addition and subtraction of negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.