Decomposing Given Large Areas Day 2

Unit 3: Using Multiplication to Find Area
Lesson 4 of 12

Objective: Students will be able to decompose large arrays in order to mentally compute the total area.

Big Idea: In this second of a three-part lesson, students extend decomposing arrays to applying a strategy for mental computation of area by finding smaller areas.

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4 teachers like this lesson
Subject(s):
Math, partnership, factors, arrays, products, math talk, model with math, decomposing, manipulatives, recording thinking, revising thought
  55 minutes
decomposing
 
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