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Introduction to Bar Graphs

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Introduction to Bar Graphs

Hemi and Freya are collecting data for the class newspaper. Read the bar graph, then answer the questions. Each ■ stands for 1 vote.

Read the Graph

Use the graph to find and compare the votes for each fruit.

Fruit

Votes (each ■ = 1)

Apple

■■■ 3

Banana

■■■■■ 5

Pear

■■ 2

Mandarin

■■■■ 4

1.What information does the graph show?

2.Which fruit received the most votes?

Apple
Banana
Pear
Mandarin

3.How many votes did pear receive?

4.How many more votes did banana receive than apple?

5.True or false: Mandarin received fewer votes than apple.

TrueFalse

6.How many votes were cast altogether?

Build and Explain

Think about what makes a bar graph easy to read.

7.Complete the sentence: In a bar graph, the length of a bar shows how many there are.

8.Choose the two things that help someone understand a bar graph.

A clear title and labels
A secret code and no labels
A title and bars of different colours only

9.Freya says, “The longest bar shows the least popular fruit.” Is she correct? Explain using the graph.

10.Imagine the class newspaper collects one more vote for pear. How many pear votes would the graph show then?

11.Draw bars to show these class newspaper poll results. Add a title and label the categories. Choose a scale where each square stands for 1 vote: Kōwhai: two; Tūī: four; Pōhutukawa: three.