Page 177 - Maths Class 04

Answer the following questions.

a. In which years the number of tigers was equal ?

b. How many tigers were there in the forest in year 2003 ?

c. What was the increasing number of tigers during 2004 – 2006 ?
d. What was the increasing number of tigers during 2004 – 2009 ?

Pie Chart

Like bar graphs, pie charts are also used to show and

compare data. In a pie chart, a circle is divided into

wedges. Each section of a pie chart shows a fraction Others
School
of the total amount. It shows the relation of parts to
bus
the whole. Walking

To understand this better, let us have a look at the

following example.

This pie chart shows how children come to school.
1
« The green part of the circle is the largest and is as it shows almost half
2
of the students come by school bus.
1 1
« The yellow and orange are of whole circle and shows that of the
4 4
students come to school either by walking or take any other source to

reach school.

Practice - 14.2
Practice - 14.2
Practice - 14.2
Practice - 14.2
1. The adjoining pie chart shows the subjects preferred by 100 students of a
school. Look at the pie chart carefully and fill the fractions in blanks.

a. _________ of children prefer English.

b. _________ of children prefer Science. Science

c. _________ of children prefer English.
Maths English
d. _________ of children prefer Science.

e. _________ of children prefer Maths.

Mathematics-4 177