Page 134 - Mathematics_Std_4

This shape is divided into ten equal parts. Each part represents
1 of the whole shape. The shaded portion is 1 and is written
10 10

as 0.1 in decimal form. The number 0.1 is obtained by dividing 1
FOR ONLINE READING ONLY
by 10. Decimals and fractions that can be derived from the former

diagram include:

1 2 3 4 5 6 7 8 9
Fraction
10 10 10 10 10 10 10 10 10

Decimals 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

In decimals, the dot point separates the whole number from the
number that is a fraction of ten.

Reading decimals
Decimal numbers have one or more than one decimal place.
Decimal numbers are read from left to right. For example;

Decimal number How the number is read

0.7 zero point seven

1.8 one point eight

25.6 twenty-five point six

250.1 two hundred fifty point one

Decimals with two places can be explained using the following

diagram.

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06/11/2024 17:17:43
MATHEMATICS STD 4 PB 2024.indd 127
MATHEMATICS STD 4 PB 2024.indd 127 06/11/2024 17:17:43