[Free Registration/Login may be required to access all resource tools.] The video shows how to add three, two-digit numbers. The video is followed by practice problems covering the topics in the video.

Students solve two, three, and four-digit addition problems with carrying. The sum turns blue if correct.

Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...

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...

Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Explains how to add three or more multi-digit numbers.

Practice breaking apart problems like 23+45 into problems like 20+40+3+5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Did you know that you need to add a zero at the end of a numbers when you multiply two or more times; one zero for the tens number and two zeros for the hundreds.? Review the examples and then practices your skills with the two...

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.

Shark Numbers is a mobile-friendly place value game. The learning objective of this game is to know what each digit in a 3-digit number represents, (for ages 5-8).

[Free Registration/Login may be required to access all resource tools.] The video shows how to add 3, two-digit numbers followed by additional practice problems.

[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.

[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...

Create customized addition worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can also be...

At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...

This resource is a jeopardy game where students select questions where they have to determine the two numbers that create the given sum. The sum is a range of 2, 3, 4, and 5 digit numbers. The answers are multiple choice, and students...

Find a great selection of non-Java math flashcard activities. Choose from an index of flashcard topics of a variety of difficulty levels. Topics include: basic and advanced addition, subtraction, multiplication, and division, algebra,...

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...