Page 5 - Maths Class 05
P. 5
1 Large Numbers
Looking Back
Calculating and counting can be done through numbers i.e., 1, 2, 3, 4, 5....etc. These
numbers are called natural numbers .
The number ‘0’ together with the natural numbers i.e., 0, 1, 2, 3, 4, 5...are called whole
numbers.
Digit figures are the ten symbols — 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 used to represent
numbers.
A group of digits denoting a number is called numeral . For example; 23, 426, 7849,
83542, etc. are numerals. The method of representing a number in digits or figures is
called notation .
Numeration is known as the method of expressing a number in words.
Following are the main three ways of showing any number. We take 8432 as an example.
TH H T O O
8 4 3 2
8000 + 400 + 30 + 2
8 4 3 2
7 and 8-digit Numbers
To read or write numerals of large numbers without difficulty, we group the digits into
periods in the place value chart. There are two types of number systems. These are :
Indian System & International System
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