A decimal is a number that uses place value and a decimal point to show amounts that are less than one, such as tenths.

Grid	Fraction	Decimal	Word Name
	4 / 10	.4	four tenths
	7 / 10	.7	seven tenths
	9 / 10	.9	nine tenths

Decimals can also be compared to amounts of money.

For example:  three dimes = three tenths of a dollar 
one dollar and two dimes = one and three tenths

	0 .3 or $.30
	1.2 or $1.20

Decimals can be written with a whole number.

Decimals can also be written to the hundredths place.

Grid	Decimal	Word Name
	0.70	seventy hundredths
	1.55	one and  fifty-five hundredths