› the part of mathematics that involves the adding and multiplying, etc. of numbers: I've never been very good at arithmetic. an arithmetic test › 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?

arithmetical

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

› arithmetical problemsarithmetically

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

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

What is the pronunciation of arithmetic?
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You are looking at an entry to do with Branches & types of mathematics, but you might be interested in these topics from the **Mathematics & arithmetic** topic area:

- Addition, subtraction, multiplication & division
- Averages
- Calculations & calculating
- Fractions
- Geometrical & mathematical instruments
- Geometrical shapes
- Geometry: bends, loops & curves
- Geometry: describing angles, lines & orientations
- Geometry: parts of geometrical shapes
- Geometry: properties of circles & curves
- Mathematical symbols
- Numbering & counting
- Numbers generally
- Numbers: cardinal, including nought & zero
- Numbers: groups of things according to number
- Numbers: ordinal
- Numbers: single, double & multiple
- Numerical relationships
- Statistics
- Tables, graphs & diagrams
- Terms for numbers

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