Unit 4, Lesson 21, Grade 6 icon
Unit 4, Lesson 21

Writing and Evaluating Expressions--Multiplication and Addition

EngageNY 45 min(s)

Students develop formulas involving multiplication and addition from real-world problems. This lesson begins with students making a model of a real-world problem they most likely have already encountered: moving enough tables together so that a large group of people can sit together. After the problem is posed, students use square tiles to model the problem. It is necessary to prepare bags of five square tiles before class and to group students thoughtfully.

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