› 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 figure out which of these is cheaper - could you do the arithmetic?

More examples

- What does all that add up to? I'm afraid my mental arithmetic isn't very good.
- These kids have had seven years in school and they can't even do some simple arithmetic!
- She was taught reading, writing and arithmetic at the village school.
- He tried to do his tax form but he couldn't work out all the arithmetic.
- I couldn't work in a post office - there is too much arithmetic involved!

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-/

in Korean | 산수, 산술… |

in Arabic | حِساب… |

in French | arithmétique… |

in Turkish | matematik… |

in Italian | aritmetica… |

in Chinese (Traditional) | 算術, 算術運算, 演算… |

in Russian | арифметика… |

in Polish | arytmetyka, obliczenia… |

in Spanish | aritmética… |

in Portuguese | aritmética… |

in German | die Arithmetik… |

in Catalan | aritmètica… |

in Japanese | 算数, 計算… |

in Chinese (Simplified) | 算术, 算术运算, 演算… |

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

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January 28, 2015

One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we