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 MathematicsĀ®
Grade 3 Unit 4
Lesson 6: Division as an Unknown Factor
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Division as an Unknown Factor

Notice and Wonder: Missing Numbers (Warm Up)

1

What you do notice?

1

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:

1

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

At the Farmers' Market

1

Complete the row.

1

Explain your reasoning.

1

Complete the row.

1

Explain your reasoning.

1

Complete the row.

1

Explain your reasoning.

1

Complete the row.

1

Explain your reasoning.

Cool Down: Boxed Muffins
1

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.