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Unit 4 - Lesson 6 - Grade 3: Illustrative Mathematics

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12 Questions
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Grade 3 Unit 4
Lesson 6: Division as an Unknown Factor
CC BY 2021 Illustrative Mathematics®
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)

1.

What you do notice?

2.

What do you wonder?

Equations about Onions

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


Lin says the situation should be represented by the equation:


Mai says the situation should be represented by the equation:

3.

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

At the Farmers' Market

4.

Complete the row.

5.

Explain your reasoning.

6.

Complete the row.

7.

Explain your reasoning.

8.

Complete the row.

9.

Explain your reasoning.

10.

Complete the row.

11.

Explain your reasoning.

Cool Down: Boxed Muffins
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.