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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 other such production, however, draws laughter and aims for an audience that probably worries more about long division than about nuclear fission.

From New York Times • Aug. 3, 2023

I hadn’t studied math since long division, and the concepts were unfamiliar.

From "Educated" by Tara Westover

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