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Mathematics · Grades 3–4

Decimal

noun

A number that uses a decimal point to show values less than one whole.

Example Sentences

"The decimal 0.5 is the same as the fraction 1/2."

"Money is written as a decimal — $3.75 means 3 dollars and 75 cents."

Synonyms & Related Terms

decimal numberfraction form

Quick Check

Which best describes the meaning of decimal?

Study Tips

To remember decimal, try writing it in a sentence of your own. Connect it to something you already know about mathematics.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.