1. Prefixes – ‘un’
(Spelling Skills)

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

3. They all begin with the prefix ‘un’
unhappy
unlock
unpack
untie
unkind
uncover
undo
unable

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

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

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

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

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

9. What other words can you think of that begin with the prefix ‘un’?

10. More words that begin with the prefix ‘un’
unlucky
unload
unreal
unroll
unscrew
unpaid
unlike

11. More words that begin with the prefix ‘un’
unhook
unhealthy
unfortunate
unveil
unusual
untrue
unidentified

12. More words that begin with the prefix ‘un’
unwilling
unaware
unbroken
uncut
unwise
unbelievable
unwrap
uncommon

13. More words that begin with the prefix ‘un’
uncomfortable
unfamiliar
unfeeling
unexpected
unasked
uncertain