Introduction to Decimals
Fractional numbers whose denominators ar 10 , 100, 1000 etc, are called decimal fractions or
decimals.
The dot “ . “ is called the decimal point.
For Example : (i) 3
10
is expressed as 0.3
(ii) 1
100
is expressed as 0.01
II. Conversion of Decimals
Example : convert the following fraction into decimals
(i)
Solutions : 8÷3 = 0.375
= 5.375
III . Conversion of Units :
1 kilometre = 1000 metres
1 metre = 100 centimetres
1 centimetre = 10 milimetres
1 decimetre = 10 centimetre
1 metre = 10 decimetres
1 hectomere = 10 decametres
1 Kilometre = 10 hectometres
III . Conversion of Mass :
1 kilometre = 1000 grams
1 grams = 100 centigrams
1 centigram = 10 miligrams
1 decigram = 10 centigrams
1 gram = 10 decigram
1 hectogram = 10decagrams
1 Kilogram = 10hectograms
Discover more from EduGrown School
Subscribe to get the latest posts sent to your email.