Unit 6, Lesson 14

Use scissors to partition a rectangle into same-size squares, and compose arrays with the squares

EngageNY 60 min(s)
In this lesson, students are encouraged to think flexibly as they use paper models to further develop their ability to visualize arrays. They use these models to answer questions and to analyze similarities and differences. Next, they cut each row or column into individual square units. As a result, they see that just as a rectangle is composed of equal rows or columns, each row or column is composed of squares, or iterated units.

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