Prefixes & Suffixes (Intro) — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Which prefix means 'again'? Pick the best choice to match that meaning.
A) re-
B) pre-
C) un-
D) dis-
The prefix re- means 'again', as in redo, replay, or rewrite.
2. Which prefix means 'before'? Pick the best choice to match that meaning.
A) re-
B) pre-
C) un-
D) dis-
The prefix pre- means 'before', as in preheat, preview, or pretest.
3. Which prefix means 'not' or 'opposite' in unhappy?
A) re-
B) pre-
C) un-
D) mis-
Un- means 'not' or 'opposite of', so unhappy means not happy.
4. Which prefix fits best in ___agree, meaning 'not agree'?
A) re-
B) pre-
C) un-
D) dis-
Dis- means 'not' or 'opposite of', so disagree means not agree.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Please preheat the oven before you bake the cookies.
Preheat uses pre- to show heating happens before baking.
2. I will redo my homework because it was messy.
Redo uses re- to show doing the work a second time.
3. The magician made the coin disappear into thin air.
Disappear uses dis- to mean the opposite of appear.
4. Tie your shoes so they do not untie on the playground.
Untie uses un- to reverse the action of tie.
5. The chef asked me to rewash the dishes she already cleaned.
Rewash uses re- to show washing a second time.