Activity 6, Lesson 20, Unit 3, Grade 3 icon
Problem Set

Problem Set

Lesson 20. Unit 3. Grade 3 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 20, Unit 3, Grade 3. In this lesson, students continue learning strategies to multiply by multiples of 10. They use the associative property to rewrite multiplication expressions in forms that are easier to evaluate. For example, they rewrite 40 × 2 as (10 × 4) × 2, then as 10 × (4 × 2), and finally as 10 × 8.

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