6, Lesson 9, Unit 3, Grade 3, EngageNY icon
Problem Set

Problem Set

Lesson 9. Unit 3. Grade 3 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 9, Unit 3, Grade 3. In this lesson, students solve challenging multiplication problems using the associative property. For example, they rewrite 16 × 3 as (8 × 2) × 3, then as 8 × (2 × 3), and finally as the known fact 8 × 6, and illustrate their work with an array.

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