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...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...

Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding integers. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button and...

For this OER Commons resource students will use the Hot Air Balloon interactive to model integer addition. They then move to modeling addition on horizontal number lines. They look for patterns in their work and their answers to...

It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.

This complete lesson plan has students play a dice game to begin the introduction of addition and fact fluency.

Students review the properties of addition and write an example for each. Then they apply the properties to simplify numerical expressions.

This slideshow lesson focuses on additive transition words; it defines transition words and lists the categories. It explains what additive transitions do and when to use them, it provides a list of additive transition words and example...

This lesson focuses on additive transition words; it defines transition words and lists the types of transitions. It explains additive transition words, offers a list of the most common ones, and provides example sentences showing how to...

In this interactive site, students will begin to understand the rules of vector addition, subtraction, and multiplication and apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.

In this interactive students will begin to understand the rules of vector addition and subtraction using analytical methods. They will apply analytical methods to determine vertical and horizontal component vectors.

Students review addition while playing this multi-player learning game. Student power their tug boats by answering the addition problems correctly. The speed of the tugboat is determined by how fast the learner answers the problem.

Sing a song, practice step by step and assess your knowledge on the properties of addition with this interactive lesson.

[Free Registration/Login may be required to access all resource tools.] A video [0:56] and practice questions where students find a missing number in addition sentences with sums to 1000.

A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.

This Skillswise site focuses on addition. Included are a video about why learning to add is important, fact sheets about addition, quizzes on the information presented, and games to practice the skill. Be aware that this is from Great...

A customizable addition quiz where you can choose what numbers to cover, from 10 to 30 questions, and how much time students can have to answer. The quiz can also be printed for use as a worksheet.

[Free Registration/Login may be required to access all resource tools.] The video shows how to break down a word problem into two steps to solve an addition problem with numbers up to 100. The video is followed by a series of practice...

[Free Registration/Login may be required to access all resource tools.] Students practice finding the addition sentence that is not equal to the desired sum.

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on adding 3-digit numbers with regrouping. [1:32]

An activity to practice addition. Materials needed include cuisenaire rods (or Base 10 blocks) and numeral cards (0-9).

Solve problems step by step by addition with regrouping.

Practice working through addition and subtraction problems using the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.