Classzone: The Language of Literature, Grade 7

Name _______________________________________

Lesson 4 Prefixes and base words

re + double = redouble con + quest = conquest

re + commend = recommend con + sequence = consequence

de + serve = deserve sub + urban = suburban

de + part = depart sub + division = subdivision

ad + join = adjoin pre + diction = prediction

ad + minister = administer pre + caution = precaution

ex + act = exact per + cent = percent

ex + claim = exclaim per + form = perform

in + dent = indent pro + pose = propose

in + stall = install pro + long = prolong

TERMS TO KNOW: A prefix is a group of letters added to the beginning of a word to make a word with a different meaning.

1.	What ten prefixes have been added to form spelling words? __________ __________ __________ __________ __________ __________ __________ __________ __________ __________

2.	Were the prefixes added to complete words? __________

3.	Do the spellings of the base words change when the prefixes are added? __________

4.	Do the meanings of the words with prefixes added differ from the meanings of the base words? __________

Lesson Generalization You can add a prefix directly to a base word to form a new word with a different meaning. The spelling of the base word does not change when you add a prefix.