Breaking Apart Numbers to Add: Explaining Addition

This lesson teaches how to explain addition by breaking apart numbers. It covers using place value, blocks, and number lines to demonstrate addition strategies. Examples include adding vegetables and tomatoes, showing different methods to simplify addition. The lesson emphasizes the importance of explaining math to verify answers and help others understand.

What strategy did the second math monkey use to add 59 and 23?

How did the first monkey approach adding 47 and 28?

Explain the use of an open number line in addition.