Definition of mental arithmetic in English:

mental arithmetic

Line breaks: men¦tal arith|met¦ic


[mass noun]
  • Arithmetical calculations performed in the mind, without writing figures down or using a calculator.
    More example sentences
    • Daniel Tammet is a man with an exceptional mind: he can perform mental arithmetic faster than a pocket calculator, and learn a new language fluently, even one as tortuously complex as Icelandic, in a matter of days.
    • Lawrence Lee was known in the local area to be very good at mental arithmetic and it was this love of mathematics that he passed on to his daughter.
    • Calling himself a mathemagician, he astonishes audiences with amazing feats of mental arithmetic.

More definitions of mental arithmetic

Definition of mental arithmetic in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day kerf
Pronunciation: kəːf
a slit made by cutting with a saw