prefix meanings
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prefix math and science
Context clues
100

What does the prefix re- mean?

Answer: Again or back (e.g., redo, return).

100

Combine the prefix for "small" with the word "bus".

minibus

100

Which prefix would you add to "place" to mean to put something in the wrong spot?

Answer: mis- (misplace).

100

How many legs would a hypothetical "tripod" stand on?

Answer: Three.

100

Complete the sentence: "Please _____write your essay to fix the spelling mistakes."

Answer: Rewrite (re-).

200

What does the prefix tri- mean?

  • Answer: Three (e.g., triangle, tricycle).

200

Combine the prefix for "before" with the word "view".

preview


200

Which prefix would you add to "angle" to describe a shape with three sides?

Answer: tri- (triangle).

200

 How many centimeters are in one full meter?

Answer: 100 centimeters.

200

Complete the sentence: "I turned off the lights to prevent a _____use of electricity."

Answer: Misuse (mis-).

300

What does the prefix mis- mean?

Answer: Wrongly or badly (e.g., misunderstand, misbehave).

300

Combine the prefix for "many" with the word "task"

Multitask

300

Which prefix would you add to "skirt" to describe a very small skirt?

Answer: mini- (miniskirt).

300

 If a vitamin is called a "multivitamin," what does it contain?

Answer: Many different vitamins.

300

Complete the sentence: "The emergency door is the main _____ in case of fire."

Answer: Exit (ex-).

400

What does the prefix ex- mean?

  • Answer: One hundredth ($1/100$) (e.g., centimeter, centipede).


400

Combine the prefix for "out/away" with the word "pel".

expel

400

Which prefix would you add to "caution" to mean a action taken beforehand to prevent danger?

Answer: pre- (precaution).

400

What does it mean if a volcano is described as "extinct"?

Answer: It has erupted out / it is no longer active (from ex- meaning out or former).

400

Complete the sentence: "A ruler often shows inches on one side and _____meters on the other."

Answer: Centimeters (centi-).

500

What does the prefix centi- mean?

  • One hundredth ($1/100$) (e.g., centimeter, centipede).


500

Combine the prefix for "again" with the word "evaluate".

Reevaluate 

500

Which prefix would you add to "cultural" to describe something involving many different cultures?

Answer: multi- (multicultural).

500

If a movie has a "prequel," when does its story take place relative to the original movie?

Answer: Before the original movie.

500

Complete the sentence: "We must _____heat the oven to 350° before putting the pizza in."

Answer: Preheat (pre-).

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