# 5th Class Mathematics Decimal Introduction

## Introduction

Category : 5th Class

### Introduction

A fraction with the denominator power of 10 (like 10, 100, 1000 etc.) is called decimal. It is expressed as a number using a point called decimal point. Decimal consist of two parts which are separated by a decimal point.

Integral Part

The part which is left to the decimal point is called integral part or whole number part. For example, in the decimal 896.3, 896 is the integral part.

Decimal Part

The part which is right to the decimal point is called fractional part or decimal part.  For example: 45.683 is a decimal number in which 683 is fractional part or decimal part.

Note: Decimal part read as separately one by one like 35.721 is read as thirty five point seven, two, one not as thirty five point seven hundred twenty one.

Decimal Place Value Chart

 Thousands (Th)1000 Hundreds (H) 100 Tens (T) 10 Ones (0) 1 Decimal point Tenths (T) $\frac{1}{10}$ Hundredths (H) $\frac{1}{100}$ Thousandths (Th) $\frac{1}{1000}$ 3 1 5 . 1 6 2

The decimal 315.162 has 3 hundreds, 1 tens, 5 ones, 1 tenths, 6 hundredths, and 2 thousandths.

Note: 1 tenths $=\frac{1}{10}$ (one part out of ten parts), 1 hundredths $=\frac{1}{100}$ (one part out of hundred parts), 1 thousandths$=\frac{1}{1000}$ (one part out of thousand parts).

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