5, Lesson 17, Unit 4, Grade 2, EngageNY icon
Application Problem

Boxes of erasers

Lesson 17. Unit 4. Grade 2 EngageNY

EngageNY8 min(s)

This Application Problem is a part of the Lesson 17, Unit 4, Grade 2.<br> In this lesson, students extend base ten understanding to numbers within 200. Students use chip models and arrow notation. For example, students solve 50 + 80 by thinking 5 tens + 8 tens = 13 tens = 130.

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