Decimals help us to use numbers less than one. Decimals are separated from whole numbers by a decimal point.

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The number 127.5369 has 4 decimal places. It can be represented in the following ways:

In place value table form:

*Image: math.tutorvista.com*

In expanded fractional form:

127 + 5/10 + 3/100 + 6/1000 + 9/10 000

In expanded word form:

*one* hundred, *two* tens, *seven* units, *five* tenths, *three* hundredths, *six* thousandths and *nine* ten-thousandths.

In a number like 0.207 , the zero is called a place holding zero.

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