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

Problem Set

Lesson 18. Unit 4. Grade 1 EngageNY

EngageNY10 min(s)

This Problem Set is a part of the Lesson 18, Unit 4, Grade 1. In this lesson, students share and critique strategies for adding two-digit numbers. They reexamine all of the strategies used in recent lessons, including arrow notation, quick tens, and number bonds. Examining various work samples, students compare for clarity, answering questions such as: Which drawing best shows the tens?

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