1. Prefixes

4. unlock What do all these words have in common? unable unpack uncover unhappy undo unkind untie

5. un lock They all begin with the prefix ‘un’ un able un pack un cover un happy un do un kind un tie

6. What does the prefix ‘un’ mean? unhappy unlock unpack untie – not happy, sad – to release the lock of – to open and remove the contents of – to unfasten

7. What does the prefix ‘un’ mean? It means ‘not’ / the opposite of unable uncover undo unkind – not kind, harsh - to remove the covering from – to cancel the effect of – not able

8. Add the prefix ‘un’ to these words to make new ones… fit equal fair unequal unfair unfit

9. Can you identify the root words? unfold unable unbolt unblock unlike unknown unfasten