Name _______________________________________

Lesson 4   Prefixes and base words


re + search = research               dis + courage = discourage
re + condition = recondition               dis + prove = disprove
re + fuel = refuel               dis + ability = disability
re + vision = revision               dis + agreement = disagreement
re + elect = reelect               dis + advantage = disadvantage
re + surface = resurface               dis + regard = disregard
pre + caution = precaution
pre + arrange = prearrange
pre + diction = prediction
pre + mature = premature
pre + face = preface
pre + school = preschool

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.Is each prefix in the first column added to a complete word?

_________

 
2.What are the three prefixes that are added?

_________      _________      _________

 
3.Are the meanings of the words with prefixes added different from the meanings of the base word?

_________

 
4.When each prefix is added to a word, does the spelling of the prefix change?

_________

Does the spelling of the base word change? _________


Lesson Generalization
A prefix can be added directly to a complete word to make a new word. No change is made in the prefix. No change is made in the base word.


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