Adding and subtracting numbers on a number line is a neat way to see how numbers are added and subtracted using visual interpretations.

Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem....

Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At...

What are opposites and what happens when you add them together? Students work with counters to model adding and subtracting integers.

Sixth graders work with a number line and football to model adding and subtracting integers.

Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting mixed numbers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding and subtracting mixed numbers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the...

This site contains great information on adding and subtracting complex numbers. Several examples are given, along with a brief definition. Includes link to a graphing calculator tutorial.

Practice adding and subtracting mixed numbers with different denominators. Regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Here is a site that clearly and thoroughly explains how to add and subtract signed numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who...

Short tutorial explaining how to add and subtract fractions, whole numbers, and mixed numbers. Includes example problems to try.

Practice adding and subtracting numbers like 554 and 237 using a number line. All numbers are less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice using visuals to add and subtract fractions with unlike denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Understanding that when the total number of parts of a whole are the same, fractions can be added.

In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice adding and subtracting mixed numbers with common (like) denominators. Some items require regrouping. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding and subtracting mixed numbers.

Practice adding and subtracting mixed numbers with common (like) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Use this calculator for adding and subtracting integers. Positive and negative whole numbers are integers. The calculator shows the work for the math and shows you when to change the sign for subtracting negative numbers.

[Free Registration/Login may be required to access all resource tools.] This is a tool that gives a video demonstration and follows up with a pratice activity that checks for understanding.

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

Practice adding and subtracting rational numbers of different forms.

Practice adding and subtracting numbers like 54 and 37 using a number line. Numbers used in these problems are all less than 100.