In this lesson, you will use addition to solve word problems up to 20.
Essential Question: How is addition used in the real world?
In this lesson, you will use addition to solve word problems up to 20.
Essential Question: How is addition used in the real world?

Chen counted 7 red trees and 9 green trees on his walk. How many trees did he count in all?

Alicia saw 2 blue fish and 3 green fish in the water. How many fish did she see altogether?
Select the picture that represents the addition sentence.

