Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less. Students receive immediate...

Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity...

Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to add and subtract compound units of capacity. Includes video demonstrating a sample problem [2:22] and a set of...

[Free Registration/Login may be required to access all resource tools.] The video [0:34] describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics...

[Free Registration/Login may be required to access all resource tools.] The video describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics in the...

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to use addition and subtraction to solve simple word problems about metric capacity. Includes video demonstrating a...

Information is given on how to add and subtract algebraic expressions. Also included is information on terms, coefficients, and like terms, as well as examples to demonstrate how to simplify.

In this exercise, students practice multiplying fractions by fractions. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice adding and subtracting using the number line. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Worksheet contains problems through which students can practice adding and subtracting integers. Real-world application of the skill is provided as well as a quick, diagnostic pre-test.

Practice adding and subtracting within one hundred with these multiple-choice problems.

Practice adding and subtracting within one hundred with these multiple-choice problems.

In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...

Students learn how to add and subtract time. Class notes and practice problems with solutions are provided.

This site is an online lesson plan of how to correctly add and subtract fractions is provided here. Many examples of the processes are worked out and the solutions provided. An elementary teacher looking for some useful advice and...

This prealgebra lesson explains how to add and subtract polynomials.

Practice adding and subtracting numbers like 54 and 37 using a number line. Numbers used in these problems are all less than 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Kids learn how to add and subtract decimals by lining up the decimal point on this website. The site has example math problems.

In this exercise, students practice addition within 100. Students receive immediate feedback and have the opportunity to watch a tutorial video get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...

In this exercise, students practice subtraction within 100. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...

[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems where they have to add or subtract 3 or more numbers.

In this exercise, students practice subtraction within 1000. Students receive immediate feedback and have the opportunity to get hints, watch video tutorials, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...