5, Lesson 9, Unit 1, Grade 3, EngageNY icon
Problem Set

Problem Set

Lesson 9. Unit 1. Grade 3 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 9, Unit 1, Grade 3. This lesson introduces the distributive property as a strategy for multiplication. Students use arrays to decompose unknown facts as the sum or difference of two known facts. For example, they analyze an array to see that 7 × 3 can be decomposed as 2 rows of 3 and 5 rows of 3.

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