Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.

Practice adding and subtracting using the number line. Numbers used are 100 or less.

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.

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.

Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions...

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

Practice adding and subtracting polynomials. 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.

Students will roll a die and follow the directions to explore adding and subtracting on a number line.

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

Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less.

Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.

A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....

Add or subtract complex numbers, and plot the result in the complex plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Determine the sum and difference when adding and subtracting tens and hundreds.

Test your knowledge on adding and subtracting radicals.

Practice adding and subtracting mixed numbers with common (like) denominators.

Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

[Free Registration/Login may be required to access all resource tools.] This learning module features four videos and a set of practice questionsin which students use addition and subtraction to solve problems with more than two values...

Solve addition and subtraction word problems involving fractions and mixed numbers. Fractions and mixed numbers have common denominators.

Practice one-step addition and subtraction word problems with numbers less than 1000.

Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Find the matrix that is the result of the addition or subtraction of two given matrices. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.