Introduce polynomial operations to your middle school students using the highly engaging story of ?IntelliGum?. This one-of-a-kind gum, when chewed regularly, and in appropriate quantities, will make you smarter. As part of this creative...

In this Math Maven mystery, read the legend of Pirate Ringold and his treasure and help Frieda Finditall figure out how much gold there is left to find on this old ship. Your knowledge about addition and subtraction with fractions will...

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 positive and negative fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] This lesson covers the powers of i, and adding and subtracting complex numbers, as well as how to plot them in the complex plane. Students examine guided notes,...

Practice adding and subtracting to solve word problems. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Locate the video "Calculating Sums: Less Than, Greater Than, or Equal to Numbers (Numbers to 1,000)." In this learning module, students must add or subtract to find...

Students practice subtracting polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Students practice adding polynomials with these exercises. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

A huge collection of worksheets for addition, subtraction, multiplication, division, and handwriting practice all on PDF files ready for you to download and print for your students.

An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...

If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.

Practice subtracting. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Practice solving addition and subtraction problems with integers (positive and negative numbers). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers using place-holding zeroes. [1:48]

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]

[Free Registration/Login may be required to access all resource tools.] For this learning module, students must subtract mixed metric units of weight. Includes video demonstrating a sample problem [0:53] and a set of practice questions.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve word problems involving the subtraction of decimals. Includes video demonstrating a sample problem [2:27] and a set of...

Practice solving word problems with negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Negative number addition and subtraction: word problems

[Free Registration/Login may be required to access all resource tools.] Video and practice adding two compound units.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve simple word problems involving money. Includes video demonstrating a sample problem [0:45] and a set of practice questions.

[Free Registration/Login may be required to access all resource tools.] The video explains two addition problems one with regrouping and the other without regrouping.