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Lesson 3

Draw Scaled Bar Graphs

Practice

1. Display the set of data below in a vertical bar graph.

Favorite CitiesCity Frequency

New York 80Denver 20San Francisco 40San Antonio 60

40

20

60

80

100Favorite Cities

0NewYork

Denver SanFrancisco

SanAntonio

City

Num

ber o

f Peo

ple

Homework Helper

Rodney surveyed his classmates to find which season they like best. First, he recorded the data in a tally chart. Then, he used the data to make a bar graph. How many more students voted for summer than for either spring or fall?

Eight students voted for summer. Four students voted for spring.Two students voted for fall.

Find 8 - (4 + 2).

8 - 6 Add.

2 Subtract.

So, 2 more students voted for summer than for either spring or fall.

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Fall

Winter

Spring

Summer

TallySeason

Favorite Seasons

4

2

6

8

10Favorite Seasons

0Fall Winter Spring Summer

Season

Num

ber Each line

stands for 2classmates.

title

scale

Program: GMH CCM Component: SEPDF Pass

Vendor: Quad Graphics Grade: 3

Lesson 3 My Homework�707

Measurement and Data

3.MD.3

eHelp

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.Test Practice 7. Refer to the bar graph. How many

more paper clips does Mrs. Anderson have than pencils and glue sticks together?

A 0 paper clips C 10 paper clips

B 5 paper clips D 15 paper clips

T t P ti

Vocabulary Check

5. bar graph

6. scale

Write the definition of each.

4 Model Math Display the data in a horizontal bar graph. Use the graph to answer Exercises 3–4.

2.

French

Spanish

Chinese

TallyLanguage

Language Spoken

Chinese

Spanish

French

0 2 4 6 8 10 12 14

Language Spoken

Number of People

Lang

uage

3. How many people participated in the survey?

4. 2 Use Number Sense How many more people speak Spanish than Chinese and French combined?

10

5

15

20

25Mrs. Anderson’s Desk

0GlueSticks

Pencils PaperClips

Erasers

Type of Supply

Num

ber o

f Sup

plie

s

18 people

2 people

Sample answers given.

a graph that uses bars to show data

a set of numbers that represents data

organized into equal intervals

708�Need more practice? Download Extra Practice at connectED.mcgraw-hill.com

Program: GMH CCM Component: SEPDF Pass

Vendor: Quad Graphics Grade: 3

Vocab

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