Understand common prefixes

What is a prefix?

• One or more letters put on the beginning of a word which have a specific meaning

• Anything that helps you understand new words

• The words: bicycle, rewrite, and unhappy

• Anything that expands your vocabulary

• A dictionary

Which word does NOT have a prefix?

• Supercomputer

• Unimportant

• Megastar

• Biplane

• Trick

Which word is the opposite of able?

• Table

• Enable

• Unable

• Reliable

• Possible

Which is NOT a fact about prefixes?

• Knowing the meaning of a prefix can help you understand the meaning of a new word.

• Every word that starts with the letters bi- includes the meaning “two.”

• There are lists of prefixes in dictionaries and on the internet.

• Some common prefixes include: un-, uni-, mega-, and super-.

• There are hundreds of different prefixes in English.

If standard means “a required level,” what is the best way to rewrite the following sentence?

The product was substandard quality.

• The product had quality.

• The product was a required level.

• The required level was below the quality.

• The product was above the required level of quality.

• The product was below the required level of quality.

If form means “shape,” what is the best word to describe things that are all exactly the same?

• Conform

• Reform

• Uniform

• Multiform

• Formation

What is the best word to fill in the blank in the following sentence?

Sally did not understand the meaning, so she __________ the paragraph three times.

• Reclaimed

• Reformed

• Trimester

• Triangle

• Reread

If the prefix multi- means “many,” what is the best definition for multipurpose?

• Multiple

• Only one thing

• Having many uses

• Buying many things

• A group of many dolphins

If terra is a root word meaning “earth,” what is the best meaning for the word in bold in this sentence?

The cave was made by subterranean water.

• Subway

• Rainwater

• Below the water

• Below the earth

• From another planet

If export means “to take out of the country,” expatriot means “a person who left the country,” and exhale means “to breathe out,” what does the prefix ex- probably mean?

• Out of, away from

• Extra, more than

• To send, take

• To breathe

• Excellent