Definition Of Decimal System

A Decimal System is a number system based on 10

More About Decimal System

In decimal system, any number can be written by using ten basic digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
In decimal system, each digit in a number has a place value, so it is also called 'place-value system'.

Example of Decimal System

The value of 6 in 162 is 60 and its value in 615 is 600.
So, the value of the digits depends on where they are placed in

Video Examples:What is a Decimal?
 

Solved Example on Decimal System

Ques: Choose the whole number that has the same digit in both its tens and its hundreds place.

Choices:

A. 224
B. 422
C. 9,933
D. 22,244
Correct Answer: A

Solution:

Step 1: Only the whole number 224 has 2 in both its tens and its hundreds place.

Related Worksheet

• Fractions-related-to-Decimals-Gr-4