Grade 3 Teacher Guide
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Learning Progression
Unit Overview
Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
152
Possible response: I used a break-apart strategy. First I broke 38 into 30 + 8. I multiplied 30 × 4 = 120 and 8 × 4 = 32. Then I added 120 + 32 = 152.
Solve 38 × 4. Describe your strategy.