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Unit 1 - Lesson 9 - Grade 3: Illustrative Mathematics

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12 Questions
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Grade 3 Unit 1
Lesson 9: Multiplication as Equal Groups
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 1
Lesson 9: Multiplication as Equal Groups
CC BY 2021 Illustrative Mathematics®
Lesson: Multiplication as Equal Groups

Number Talk: More Addition (Warm Up)

Find the value of each expression mentally.
1.

40 + 35

2.

45 + 35

3.

45 + 36

4.

34 + 58

From Scaled Graphs to Equal Groups

Elena collected data about the kind of signs she saw on the way home. The data is shown in this picture graph:

5.

Represent the number of speed limit signs Elena saw on the way home.

6.

Which statement describes the number of speed limit signs Elena saw?

7.

Explain your reasoning.

8.

How could this drawing represent the street signs Elena saw on the way home?

Equal Group Situations

Represent each situation.
9.

There are 4 people wearing shoes. Each person is wearing 2 shoes.

10.

There are 2 boxes of markers. Each box has 10 markers.

11.

There are 3 basketball teams. Each team has 5 players.

Cool Down: Represent Equal Groups
12.

Jada has 3 bags. Each bag has 5 bracelets in it.

Represent the situation.