Meaning
算数 has two main meanings. First, it refers to arithmetic or basic math operations like addition and subtraction. Second, in spoken Chinese it means 'to count' or 'to be valid,' often used when confirming whether something counts or whether someone will keep their promise.
Usage
When used as a noun meaning 'arithmetic,' it's common in educational contexts. As a verb phrase meaning 'to count/be valid,' it's very common in everyday speech, especially in questions like '说话算数吗？' (Will you keep your word?). The verb usage often appears in constructions asking if something is final or binding.
Examples
- 01小学生要学好算数。.Elementary school students need to study arithmetic well.
- 02你说的话算数吗？?Will you keep your word?
Characters
Common collocations
- 说话算数to keep one's word
- 算数吗does it count?
- 学算数to study arithmetic
- 这次算数this time it counts
Antonyms
Origin
Literally combines '算' (calculate) and '数' (number), creating both the concrete meaning of 'calculating with numbers' (arithmetic) and the extended meaning of 'counting as valid' or 'reckoning as true.'