decimal numbers

Fractional place values

Decimal numbers are numbers written in the base-ten system, using digits 0 through 9 and place values based on powers of ten.

More commonly, the term refers specifically to numbers containing a decimal point, indicating fractional parts: 3.14, 0.75.

In this sense, decimal numbers contrast with whole numbers or fractions: Convert the fraction to a decimal number.

Related

number line · radix · percentage · bases · base ten · tens · mantissa · truncation · scientific notation · significant figures · dot · cents · rational numbers · arithmetics · math class · precision · rounding · long division

Categories
Opposites
wholeness/fractional representation

decimal numberswhole numbers

Numbers without fractions

integers · counting numbers · natural numbers · round numbers · cardinal numbers

numerical base system

decimal numbersbinary numbers

Digits in base two

exactness of representation

decimal numbersfractions

Parts expressed numerically

common fractions · ratios · mixed numbers

Family

decade, decimal, decimate, decimals, decagon, decimalization, decimalizing, decimalized, decimal number

Familiarity
Top 100,000
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Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G