› the part of mathematics that involves the adding and multiplying, etc. of numbers: I've never been very good at arithmetic. an arithmetic testBranches and types of mathematics › calculations involving adding and multiplying, etc. numbers: I did some quick mental arithmetic and decided it was going to cost too much. I can't work out which of these is cheaper - could you do the arithmetic?Branches and types of mathematics

arithmetical

adjective uk
/ˌær.ɪθˈmet.ɪ.kəl/ us
/ˌer.ɪθˈmet̬-/ (also arithmetic,
/ˌær.ɪθˈmet.ɪk/
)

› arithmetical problemsBranches and types of mathematicsarithmetically

adverb uk
/ˌær.ɪθˈmet.ɪ.kəl.i/ us
/ˌer.ɪθˈmet̬-/

Branches and types of mathematics (Definition of arithmetic from the Cambridge Advanced Learners Dictionary & Thesaurus
© Cambridge University Press)

What is the pronunciation of arithmetic?
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- Addition, subtraction, multiplication & division
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- Numbers generally
- Numbers: cardinal, including nought & zero
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- Numbers: single, double & multiple
- Numerical relationships
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