2, Lesson 10, Unit 2, Grade 1, EngageNY icon
Fluency Activity

Decomposing Addition Sentences

Lesson 10. Unit 2. Grade 1 EngageNY

EngageNY5 min(s)

This Fluency Activity is a part of the Lesson 10, Unit 2, Grade 1. This activity reviews how to decompose numbers to make ten, creating equivalent but easier number sentences. Write number sentences on the board to model how to decompose number sentences into three addends. What does 9 need to make ten?

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