Prefixes

If you have to reread a chapter for your book report, what must you do?

• Read it for the first time

• Read it incorrectly

• Read it again

• Read it out of order

Answer explanation

The prefix 're-' means 'again'. Therefore, to reread something means to read it again.

Tags

CCSS.RF.4.3A

CCSS.RF.5.3A

CCSS.L.3.4B

CCSS.L.3.4C

CCSS.RF.3.3B

Match each prefix to its correct meaning.

• wrongly, badly

• un-

• not, opposite of

• mis-

• before

• pre-

Answer explanation

Each prefix is matched to its standard meaning: 'pre-' means 'before', 'un-' means 'not', and 'mis-' means 'wrongly'.

The librarian pointed me to the nonfiction section for my history project. What kind of books are in this section?

• Books that are imaginary stories

• Books that are based on facts and real events

• Books that are written before a certain time

• Books that are about working together

Answer explanation

The prefix 'non-' means 'not'. Therefore, nonfiction books are 'not fiction', meaning they are based on facts and reality.

Tags

CCSS.L.6.6

CCSS.RI.5.4

CCSS.W.5.2D

CCSS.W.6.2D

CCSS.W.7.2D

Sort these words into two groups based on the meaning of their prefixes: 'Again' or 'Not/Opposite'.

Groups:

(a) Again

,

(b) Not/Opposite

• redo

• dislike

• replay

• unhappy

• rewrite

• uncommon

Answer explanation

The prefix 're-' means 'again', so words like 'redo', 'replay', and 'rewrite' belong in that category. The prefixes 'un-' and 'dis-' mean 'not' or 'opposite of', so 'unhappy', 'dislike', and 'uncommon' belong in the other category.

The prefix sub-, as in 'submarine' or 'subway', most nearly means:

• over or above

• under or below

• together or with

• against or opposite

Answer explanation

The prefix 'sub-' means 'under' or 'below'. A submarine travels under water, and a subway runs below the ground.

Tags

CCSS.RF.4.3A

CCSS.RF.5.3A

CCSS.L.3.4B

CCSS.L.3.4C

CCSS.RF.3.3A

Choose the word that best completes the sentence: Even though we are best friends, we sometimes ________ on which movie to watch.

• preagree

• reagree

• misagree

• disagree

Answer explanation

The prefix 'dis-' means 'not' or 'the opposite of'. To 'disagree' means to not have the same opinion. The other prefixes do not fit the context.

Match each word to the meaning added by its prefix.

• in the middle of

• midway

• above or beyond

• international

• between or among

• superstar

Answer explanation

The prefix 'inter-' means 'between' (between nations), 'super-' means 'above' or 'beyond' (beyond a regular star), and 'mid-' means 'in the middle of'.

Tags

CCSS.RF.4.3A

CCSS.RF.5.3A

CCSS.L.3.4C

CCSS.RF.3.3B

CCSS.RF.3.3A

When a prefix is added to the beginning of a root word, what does it do?

• It changes the word's part of speech

• It always makes the word longer

• It changes the word's meaning

• It makes the word sound better

Answer explanation

The main function of a prefix is to change or modify the meaning of the root word it is attached to (e.g., 'happy' becomes 'unhappy', the opposite meaning).

Tags

CCSS.RF.4.3A

CCSS.RF.5.3A

CCSS.L.3.4B

CCSS.L.3.4C

CCSS.RF.3.3A

Sort these words into groups based on the meaning of their prefixes: 'Under/Below' or 'Over/Above'.

Groups:

(a) Under/Below

,

(b) Over/Above

• overhead

• supervise

• subtitle

• subway

• superhuman

• submerge

Answer explanation

The prefix 'sub-' means 'under' or 'below'. The prefixes 'super-' and 'over-' mean 'over' or 'above'. The words are sorted based on these meanings.

Tags

CCSS.RF.4.3A

CCSS.RF.5.3A

CCSS.L.3.4B

CCSS.L.3.4C

CCSS.RF.3.3B

I got a bad grade because I ________ the instructions for the project. Which word correctly fills the blank?

• ununderstood

• misunderstood

• reunderstood

• disunderstood

Answer explanation

The prefix 'mis-' means 'wrongly' or 'badly'. To 'misunderstand' is to understand wrongly. The prefix 'un-' is not typically used with 'understand'.