Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving problems like 67-5 and 67-50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.

Practice solving problems like 452 + 241. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Subtract with 2 numbers less than 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice subtracting 2-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving problems like 45 - 24. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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 solving problems like 46-9. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Add two fractions with the like denominators. 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.

Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...

This task challenges a student to demonstrate fluency in adding and subtracting whole numbers.

[Free Registration/Login Required] The teacher will use this lesson plan to teach students how to estimate.

An interactive scale shows you how to deal with numbers and variables when solving simple algebraic equations.

Learners will expand from the idea of not only identifying signed numbers but to use them for numerical operations. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone...

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...

[Free Registration/Login Required] This flipcharts provides students with the opportunity to add and subtract 3 and 4 digit numbers. Students also will practice making change.

[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers to determine which number sentence matches the correct solution. The video is followed by a series of...

[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers with two operations in a number sentence to determine which number sentence does not match the correct...

Students learn to add and subtract numbers Using the calculator. They investigate patterns in place value and explore relationships between numbers on the hundred chart.

Add and subtract lengths to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.