4, Lesson 18, Unit 1, Grade 3, EngageNY icon
Problem Set

Problem Set

Lesson 18. Unit 1. Grade 3 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 18, Unit 1, Grade 3. In this lesson, students use the distributive property to decompose new multiplication facts into the sum of two known facts (the "break apart and distribute" strategy). For example, they decompose 7 × 3 into (5 × 3) + (2 × 3) and draw a number bond to match. This lesson focuses largely on multiplication involving units of 3, 4, and 10 in order to build fluency with those facts.

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