Use of the hyphen

Hyphens can be used to join a prefix to a root word, especially if the prefix ends in a vowel letter and the root word also begins with one.

co-ordinate re-enter co-operate

co-own ice-skate build-up

well-known spot-check multi-media

eye-catching co-pilot break-in

sugar-freemother-in-

lawday-to-day

father-in-law

bad-tempered

Cut this top row off before you give the sort to pupils!