Adding by Decomposing Numbers

The video tutorial teaches how to add numbers by decomposing them into tens and ones. It explains the concept of add-ins and the sum in an addition sentence. The tutorial addresses common misunderstandings in decomposing numbers and provides examples using teddy bears and gum drops to illustrate the process. By the end of the lesson, viewers will understand how to decompose numbers and add them effectively.

Explain the process of adding the decomposed numbers from the example of 25 and 32.

If you have 53 gum drops and your friend has 18, what is the total number of candies?