Meaning of suàn shù:
算数
to count numbers; to keep to one's word; to hold (i.e. to remain valid); to count (i.e. to be important)
Háizimen zài kètáng shàng xuéxí rúhé suànshù.
孩子们在课堂上学习如何算数。
The children are learning how to count numbers in class.
Tā bù suànshù, zǒng shì gǎi zhǔyì.
他不算数,总是改主意。
He doesn't keep his word and always changes his mind.
Wǒmen shuō de huà yīdìng yào suànshù.
我们说的话一定要算数。
We must keep our word.
Zài wǒmen de tuánduì zhōng, měi gè rén de yìjiàn dōu shì hěn zhòngyào de, dōu suàn shù.
在我们的团队中,每个人的意见都是很重要的,都算数。
In our team, everyone's opinion is very important and counts.