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Division using the Array Model


Videos to help Grade 3 students learn how to interpret the unknown in division using the array model.

Common Core Standards:3.OA.1, 3.OA.3

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Lesson Plans and Worksheets for Grade 3

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More Lessons for Grade 3

Common Core For Grade 3

New York State Common Core Math Module 1, Grade 3, Lesson 6

Lesson 6 Concept Development

Word Problem: 20 children play a game. There are 5 children on each team. How many teams play the game? Write a division sentence to represent the problem.
Problem 1: Relate division to an array model.
Problem 2: Use an array to relate the unknown factor in multiplication to the quotient in division.
Problem 3: Relate multiplication and division.
Word Problem: I have 12 books. I put 4 books in each shelf. How many shelves will I need?

Lesson 6 Homework
1. Mr. Hannigan puts 12 pencils into boxes. Each box holds 4 pencils. Circle groups of 4 to show the pencils in each box.

Mr. Hannigan needs _______ boxes. ______ × 4 = 12

12 ÷ 4 = ______
4. Judy washes 24 dishes. She then dries and stacks the dishes equally into 4 piles. How many dishes are in each pile?

24 ÷ 4 = _______

4 × ________ = 24

What is the meaning of the unknown factor and quotient?

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