Catch the birds carrying addition facts totaling 11 to 20 and match them to the correct sums.

On this interactive site students learn to write addition facts in number sentences, add whole dollar amounts, and bridge to ten to help with addition.

On this interactive site students learn to write 2-digit numbers, count forward and backward by tens and show subtraction facts.

On this interactive site students practice addition and subtraction skills. At the end of the lesson students will be able to solve addition problems using a formal written algorithm and use various strategies to solve unfamiliar problems.

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 describes the process of determining which multiplication facts do not equal the sum of the given addition problem. The video is followed by a series of...

Help keep the carnival parade safe by helping officer Davi with his addition and subtraction!

Explains what fact families are for addition and subtraction and includes sample problems to try.

[Free Registration/Login may be required to access all resource tools.] The video works through a 3-digit addition problem to determine if the correct operation for the number sentence is addition or subtraction. The video is followed by...

Practice counting, addition, and subtraction by making sure all twenty penguins have enough clothes and food.

Blast alien invaders to practice your addition!

Math practice exercise on using arrays and repeated addition to visualize multiplication.

On this interactive site students practice multiplication skills. At the end of the lesson students will be able to perform multiplication facts, find the connection between addition and multiplication and use multiplication to solve...

[Free Registration/Login may be required to access all resource tools.] For this learning module, students find the answers to problems where they must divide by 8 by using repeated addition and by checking the answer with...

[Free Registration/Login may be required to access all resource tools.] The PLIX interactive media allows students to manipulate straws into glasses to understand the concept of multiplying by twos, followed by a video that connects...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by four. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video connects multiplication to repeated addition with multiplying by 10. The video is followed by a series of practice questions to assess student...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by seven. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by eight. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by eight. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video describes how to multiply by 11 using repeated addition. The video is followed by a series of practice questions to assess student comprehension of the...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by three. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by five. The video is followed by a series of practice questions to...

[Free Registration/Login may be required to access all resource tools.] The video describes how to multiply by 12 using repeated addition. The video is followed by a series of practice questions to assess student comprehension of the...