Unit 1, Lesson 5

Represent Data in Scaled Bar Graphs

Grade 3

Warm-up

Find the value of each expression mentally.

Activity 1

All the students in a class were asked, “How do you get home from school?” Their responses are shown in these 2 bar graphs:

Bar graph. How We Get Home. Vertical axis from 0 to 12 by 1s. Horizontal axis labeled bike, walk, bus or van, car. Height of bar: Bike, 12. Walk, 4. Bus or van, 6. Car, 3.

Bar graph. How We Get Home. Vertical axis from 0 to 24 by 2s. Horizontal axis labeled bike, walk, bus or van, car. Height of bar: Bike, 12. Walk, 4. Bus or van, 6. Car, 3.

Discuss with your partner:

How are the 2 graphs alike?
How are they different?

Activity 2

Represent the data we collected earlier about travel choices 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.

Empty scaled bar graph. Horizontal axis unlabeled. Vertical axis from 0 to 16 by 2s.

Empty scaled bar graph. Horizontal axis unlabeled. Vertical axis from 0 to 40 by 5s.

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