Lessons
4 & 5

Representing and interpreting data

Representing data with a scale of 1

Learn 1: Representing data from a table with a scale of 1

A bar graph is a way to represent data visually.

• The following table shows the numbers of fruits and vegetables at the farm stand.

Table of fruits and vegetables with their counts

• The following bar graph represents the same data with a scale of 1.

Bar graph representing the data from the table
Learn 2: Interpreting data

Reading a bar graph gives you information.

Here are some information from the opposite bar graph :

Information points from the bar graph
  • The subject which liked the least is science.
  • The subject which liked the most is Arabic.
  • The number of students who liked math and English is 14.

Think

You can add to solve a problem.

8 + 6 = 14

  • The number of students who liked more Arabic than science is 7.

Think

You can subtract to solve a problem.

10 - 3 = 7

  • The number of students who liked math, English and Science is 16.

Think

You can add to solve a problem.

8 + 6 + 2 = 16

Check: Use the bar graph to complete the table.
Bar graph and empty table for checking understanding Bar graph and empty table for checking understanding

Answer the following questions.

a. How many students liked grapes ?
b. How many students liked apple ?
c. Which fruit is liked the most ?
d. How many students in all liked apple and orange ?
e. How many students in all liked grapes and banana ?
f. How many students liked banana more than grapes ?
g. How many students in all liked orange and grapes ?
h. How many students liked apple more than orange ?

Notes for parents

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