1, Lesson 9, Unit 7, Grade 4, EngageNY icon
Fluency Activity

Grade 4 Core Fluency Differentiated Practice Sets

Lesson 9. Unit 7. Grade 4 EngageNY

EngageNY4 min(s)

This Fluency Activity is a part of the Lesson 9, Unit 7, Grade 4.<br> In this lesson, students add and subtract mixed units of time (for example, adding 2 hours 45 minutes + 50 minutes, or subtracting 7 hours 15 minutes - 38 minutes). They compare two strategies for composing and decomposing units in these problems, and determine which one they prefer.

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