B2idiominformalstudyIELTS-friendly
do the maths
USUK
to work out the numbers or facts so that you understand a situation
British 'maths', American 'do the math'. Often used to say that the conclusion is obvious.
In context
Do the maths: if you save fifty thousand a day, that's eighteen million a year.
Nobody told me the shop was closing, but I did the maths when the shelves emptied.
More idioms about study
- a bookworma person who loves reading and reads a lot
- a bright sparksaid ironically about someone whose clever idea was actually silly
- a closed booka subject that you do not understand or know anything about
- a crash coursea short course that teaches a lot in a very short time
- a dab hand at somethingvery good at a particular skill or activity