Prefixes Exercises 1

a. Add prefixes to make new words from the given words below. What does each new word mean?

run ________attack ________
use________marine________
state________come________
lock________package________
clockwise ________merge ________
judge ________ability ________

b. The prefix in- changes to im– when added to words beginning with m or p. Add in- or im- to the following words.

plant ________mortal ________
form________movable________
pure________side________
effective________proper________
mature ________land ________
direct ________balance ________
mobile________
secure________
Prefixes Meaning with Examples

c. Use the prefixes from the list below to form words from the numbered root words. Write the words.

transdia-com-con-
meter________-logue________
-gram________-tend________
-mit________-fuse________
-pose________-mand________
-fer________-test________
-parent________-fort________
-bats________-cave________
-act________-graph________

d. Add aero- or tele- to each word below to form a new word.

naut ________graph ________
scope________conference________
plane________drome________
phyte________scope________
cast ________batics ________
foil ________vision ________

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e. Write a word with a prefix for each group of words.

not appropriate________register ahead of time________
unite again________not content________
below zero________call back________
take value from ________not perfect ________

f. Add a prefix to one of the underlined words. Then rewrite the sentence, using a new word.

  1. I decided to write the letter again. _______________________________________________________________________________
  2. The monster on the screen looked not human. _______________________________________________________________________________
  3. The television show was recorded before. _______________________________________________________________________________
  4. The scientist mixed between the two chemicals. _______________________________________________________________________________
  5. In January below zero temperatures were recorded. _______________________________________________________________________________
  6. Luis worked hard to pay back the favour. _______________________________________________________________________________
  7. The weights put on one side of the scale balance against those on the other side. _______________________________________________________________________________
  8. We do not agree with their conclusions. _______________________________________________________________________________