1, Lesson 37, Unit 3, Grade 4, EngageNY icon
Fluency Activity

Decompose 90 and 180

Lesson 37. Unit 3. Grade 4 EngageNY

EngageNY4 min(s)

This Fluency Activity is a part of the Lesson 37, Unit 3, Grade 4. In this lesson, students use their understanding of area models and partial products to transition from four partial products to two partial products to the standard multiplication algorithm when multiplying two-digit by two-digit numbers. This fluency activity prepares students for composing and decomposing benchmark angles of 90 and 180 degrees in Module 4.

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