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Unit 1 - Lesson 5 - Grade 3: Illustrative Mathematics

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Grade 3 Unit 1
Lesson 5: Represent Data in Scaled Bar Graphs
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 1
Lesson 5: Represent Data in Scaled Bar Graphs
CC BY 2021 Illustrative Mathematics®
Lesson: Represent Data in Scaled Bar Graphs

Number Talk: Twos and Fives (Warm Up)

Find the value of each expression mentally.
1.

2 + 2 + 2 + 2

2.

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2

3.

5 + 5 + 5 + 5

4.

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5

Compare Bar Graphs

A class was asked, “How do you get home from school?”

Their responses are shown in these two bar graphs:


5.

Discuss with your partner: How are the two graphs alike?

6.

Discuss with your partner: How are the two graphs different?

Create a Scaled Bar Graph

7.

Represent the data we collected earlier in a scaled bar graph.

Use the graph with a scale of 2 or the graph with a scale of 5. If you have time, you can make 2 graphs. Be sure to label your title and categories.

Cool Down: Complete a Scaled Bar Graph
Students visiting the zoo were asked, “What is your favorite animal at the zoo?”

Their responses are shown in this table:

8.

Use the data in the table to complete
the scaled bar graph.