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long division

American

noun

Mathematics.

division, usually by a number of two or more digits, in which each step of the process is written down.

Etymology

Origin of long division

First recorded in 1820–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was doing complex calculations before most kids master long division.

From MarketWatch • Nov. 15, 2025

How confident would you be if you were asked to tackle some long division?

From BBC • Oct. 21, 2024

When Stark demonstrates a long division problem, she writes out the steps for calculating the answer while students use a chart or blocks to understand the problem conceptually.

From Seattle Times • Sep. 12, 2023

The nuns at his parochial school removed their traditional habits, and his sixth-grade math teacher, Sister Maryann, occasionally taught the class Simon & Garfunkel songs instead of long division.

From Los Angeles Times • Jan. 4, 2023

I didn’t touch the book in front of me until she had made her way back to the front of the class and was going on about something in long division.

From "Bad Boy" by Walter Dean Myers

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023