Practice adding three numbers with these word problems. Don't sweat if you answer a question wrong, there will be a detailed explanation with an example to help you!

[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.

Find an explanation on how to add three numbers together using pencil and paper. There is also an online game that will keep running totals of your correct and incorrect answers. The lesson also gives you a percent score of the correct...

In this exercise, students practice addition and subtraction within 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice adding 3 numbers. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding 3 numbers. All numbers in these problems are 20 or less.

Camp Add 'Em Up is a series of lessons for first grade students. Students will use prior knowledge of friendly numbers (two number combinations that make a "10") and "adding on" as they master the ability to add three numbers. In this...

Activity provides students the practice they need to master the skill of adding three numbers. Immediate feedback is given.

[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...

[Free Registration/Login may be required to access all resource tools.] In this learning module, students add and subtract three fractions with different denominators. Includes video demonstrating a sample problem [2:41] and a set of...

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

An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...

Students add and subtract three numbers using this interactive quiz.

[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.

A fast paced game where students add and subtract positive and negative integers quickly so they can smash a pinata. Three levels of play, and instructional help is available as they progress.

Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem....

Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with like denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At...

[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.

This activity is a basic introduction to writing simple equations. Students are given a set of numbers and will pick two numbers that add to make six. They will write an equation that shows that those two numbers add to make 6.

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

Print or create worksheets or flashcards to assess students' understanding of operations to add, subtract, multiply, and divide rational numbers.

This lesson plan uses the book The Very Hungry Caterpillar to teach students to add three numbers to get a sum less than 20.

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...

[Free Registration/Login may be required to access all resource tools.] Estimate sums of fractions and mixed numbers