Adding Numbers by Making a 10

This video tutorial teaches how to add numbers by making a 10. It covers the commutative property of addition, different ways to group numbers, and practical examples using a number line. The lesson emphasizes finding ways to make 10 to simplify addition, providing various examples and strategies to enhance understanding.

What is the relationship between 6 and 1 when adding to make 10?

If I have 9 grasshoppers and catch 6 more, how many do I have in total?