Chinese words with 数 character meaning (HSK)

SHU4, XUE2
mathematics, mathematical

SHU4, LIANG4
quantity, amount

SHU4, ZI4
numeral, digit, number, figure, amount, digital (electronics etc)

SHU3
number, figure, several, a few

SHU4, JU4
data, numbers, digital

SHU4, MA3
numeral, figures, digital, amount, numerical code

WU2, SHU4
countless, numberless, innumerable

SHU4, E2
amount, sum of money, fixed number

SUAN4, SHU4
to count numbers, to keep to one's word, to hold (i.e. to remain valid), to count (i.e. to be important)