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Remember that prefixes are added to the start of a word in order to modify the meaning.

Ex- has a few meanings but generally means ‘out’ or ‘beyond’.

Non- means ‘not’.

Fore- means ‘before’ or ‘in front of’.

In- has two distinct meanings:

–‘not’ as in in incomplete

–‘in’ or ‘into’ as in indent

Sometimes there may not be a base word but you can still use the meaning of the prefix to help you with the meaning for the whole word (e.g. ‘exit’).

Can you work out the meanings of your words based on the prefixes used? Look up the meanings for any words you don’t know.

Sort the following words in your book. What categories could you put them in?

exit
forecast
forearm
express
foresee
exclaim
insight
nonfat
nonsense
extend
nonfiction
forehead
exclude
indent
income
foremost
incomplete
incorrect
extra
indecent
foreshadow
nonstop
expand
indoor

Can you work out the meanings of your words based on the prefixes used? Look up the meanings for any words you don’t know and write them in your book.

ex-	non-	in-	fore-
exit	nonsense	incomplete	forecast
extend	nonfiction	incorrect	forearm
extra	nonstop	indecent	forehead
express	nonfat	income	foresee
exclude		indoor	foreshadow
exclaim		indent	foremost
expand		insight