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Unit 4 - Lesson 6 - Grade 3: Illustrative Mathematics

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Grade 3 Unit 4

Lesson 6: Division as an Unknown Factor

CC BY 2021 Illustrative Mathematics®

Instrukcije

Grade 3 Unit 4

Lesson 6: Division as an Unknown Factor

CC BY 2021 Illustrative Mathematics®

Lesson: Division as an Unknown Factor

Notice and Wonder: Missing Numbers (Warm Up)

Equations about Onions

At the Farmers' Market

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Cool Down: Boxed Muffins

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Pitanje 1

1.

What you do notice?

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Pitanje 2

2.

What do you wonder?

A farmer puts 14 onions into 2 bags, with the same number of onions in each bag.

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Lin says the situation should be represented by the equation:

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Mai says the situation should be represented by the equation:

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Pitanje 3

3.

Whose equation do you agree with? Be ready to explain your reasoning.

Pitanje 4

4.

Complete the row.

Pitanje 5

5.

Explain your reasoning.

Pitanje 6

6.

Complete the row.

Pitanje 7

7.

Explain your reasoning.

Pitanje 8

8.

Complete the row.

Pitanje 9

9.

Explain your reasoning.

Pitanje 10

10.

Complete the row.

Pitanje 11

11.

Explain your reasoning.

Pitanje 12

12.

There are 30 muffins for the bake sale. Each box has 6 muffins. How many boxes are there?
Tyler wrote two equations for this problem.
He says the same number goes in each blank even though one equation is a multiplication equation and the other equation is a division equation. Is he correct? Explain or show your reasoning.