## why decompose.jpg - Section 4: Closing

why decompose.jpg
why decompose.jpg

# Decomposing Arrays, Day 1

Unit 3: Using Multiplication to Find Area
Lesson 3 of 12

## Big Idea: Students need to practice deconstructing arrays with manipulatives in order to conceptualize the distributive property. This 3 day lesson takes the children through increasingly sophisticated activities to explore the "why" and "how" of this property.

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Standards:
Subject(s):
Math, distributive property, multiplication, arrays, modeling with math, area
55 minutes

### Michelle Marcus

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