Arithmetic is the part of mathematics that is concerned with the addition, subtraction, multiplication, and division of numbers.
teaching the basics of reading, writing and arithmetic.
教授读、写、算的基本知识。
an arithmetic test.
一次算术测验。
You can use arithmetic to refer to the process of doing a particular sum or calculation.
4,000 women put in ten rupees each, which if my arithmetic is right adds up to 40,000 rupees.
4000名妇女每人交10卢比,如果我没算错的话加起来总共是4万卢比。
If you refer to the arithmetic of a situation, you are concerned with those aspects of it that can be expressed in numbers, and how they affect the situation.
The arithmetic was discouraging. In less than two months, they had used up six months' worth of food.
数据不容乐观。在不到两个月里,他们已经吃完了6个月的食物。