› 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
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- 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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“arithmetic”: synonyms and related words:

(a person or thing) coming before all others in order, time, amount, quality, or importance

November 26, 2014

Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s