Unit 4, Lesson 7

Relate addition using manipulatives to a written vertical method

EngageNY 60 min(s)
In this lesson, students build upon their understanding of place-value strategies as they apply it to the addition algorithm. Students relate manipulatives to vertical form, recording compositions as new groups below. As they move the manipulatives, students use place-value language to express the action as they physically make a ten with 10 ones and exchange them for 1 ten. They record each step of the algorithm in vertical form.

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