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Mathematics · Grades 3–4

Mean

noun

The average of a set of numbers, found by dividing their sum by the count.

Example Sentences

"The mean of 4, 8, and 12 is 8 (sum 24 ÷ 3)."

"The class's mean test score was 85."

Synonyms & Related Terms

averagearithmetic mean

Quick Check

Which best describes the meaning of mean?

Study Tips

To remember mean, 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.