decimal
Pronunciation: [ˈdɛsəml]
Word
Context: "mathematics"
(noun) a decimal is a number that has a point in it, showing a part of a whole. For example, when you see 0.5, the '0.5' is a decimal, which means half of something.
Example
She calculated that 0.75 of a pizza was left after the party.
Example
He did not understand that the number 3.2 is a decimal, thinking it was just a whole number.
Example
What decimal do you get when you divide 1 by 4?
Context: "mathematics"
(adjective) when a number is described as decimal, it means it is using the base-10 system. This is how we commonly write numbers, with a point to show parts of a whole.
Example
In math class, we learned that decimal numbers help us understand parts of whole numbers, like money.
Example
She was confused when the teacher said that fractions are not decimal numbers.
Example
Can you tell me what makes a number a decimal?
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