mental arithmetic

noun

Synonym of mental calculation (“arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator”).

Similar
mental calculation
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Meanings

nounmental arithmetic (usually uncountable, plural mental arithmetics)

plural mental arithmetics

  1. uncountableusuallySynonym of mental calculation (“arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator”).

    Synonyms: mental calculation

Synonyms & antonyms

nounSynonym of mental calculation (“arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator”).

Similar
mental calculation
Also see
mental calculation
Cite this entry
APA

mental arithmetic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mental%20arithmetic

MLA

“mental arithmetic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mental%20arithmetic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mental arithmetic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mental%20arithmetic.

Source: mental arithmetic on Wiktionary, CC BY-SA 4.0.