Prefixes & Suffixes (Intro) — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Dad will ___ the oven ten minutes before he bakes the pizza.
A) preheat
B) unheat
C) reheat
D) postheat
Preheat means to heat before baking. The prefix pre- shows the action happens before the main step.
2. The ice on the sidewalk makes walking very ___.
A) resafe
B) presafe
C) unsafe
D) safeful
Unsafe means not safe. Ice on the ground makes walking not safe, so unsafe fits the sentence.
3. My drawing was smudged, so I will ___ it on new paper.
A) undraw
B) predraw
C) redraw
D) draww
Redraw means to draw again. The prefix re- is added to draw to make a word for doing it a second time.
4. We watched a short ___ of the new show last night.
A) unview
B) preview
C) reviewful
D) viewless
A preview is a view before the full show. The prefix pre- adds the meaning of before to the base word view.
Part B: Fill in the Blank
Write the correct answer on each line.
1. My shoes were wet, so I had to redo them after school.
Redo means to do again. If shoes were wet, tying them again is redoing the job.
2. The sharp knife is unsafe for little kids to touch.
Unsafe means not safe. A sharp knife is not safe for little kids to handle.
3. Mom makes a shopping list before we go to the store.
The prefix pre- means before. Mom writes the list in advance, which is what before means.
4. Please reheat the soup so it is warm again.
Reheat means to heat again. The prefix re- added to heat makes a word for warming the soup a second time.
5. The baby was unhappy when her toy fell in the mud.
Unhappy means not happy. Losing a clean toy in mud would make the baby feel not happy.