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Reading decimal numbers


In the decimal numbering system, each digit of the integer or decimal part occupies a position or order with the following names:

HundredsDozensUnits
Whole parts
TenthsHundredthsThousandthsTenth thousandthsHundredths thousandthsMillionths
Decimal parts

As for reading, we read the whole part followed by the decimal part, accompanied by the words:

tenths: when there is one decimal place;
hundredths: when there are two decimal places;
thousandths: when there are three decimal places;
tenth thousandths: when there are four decimal places;
hundredths thousandths: when there are five decimal places and so on.

Examples:

1,2: one integer and two tenths;
2.34: two integers thirty four hundredths

When the integer part of the decimal number is zero, we read only the decimal part.

Examples:

0.1: one tenth;
0.79: seventy nine hundredths

Note:

1. There are other ways to read a decimal number. See reading number 5.53:

Conventional Reading:
- five integers and fifty three hundredths;
Other ways:
- five hundred and fifty-three hundredths;
- five integers, five tenths and three hundredths.


2. Any natural number may be written in decimal form by placing the comma after the last digit and adding zero (s). Examples:

4 = 4,0 = 4,00 75 = 75,0 = 75,00

Next: Transforming Decimal Numbers into Decimal Fractions and Vice Versa