Root words
Prefixes
Suffixes
Challenge
100

Identify the root word of the given word.

undo

do

100

James feels ________ today because he misses his mom.
a. unhappy
b. umhapy
c. dishappy

a. unhappy

100

Harry said that he wants the new chair to be ________ so it will be sturdy.
a. wooden
b. woodly
c. woodless

a. wooden

100

The suffix, "less" means without. Which of the following words means, "without words"?
a. speechless
b. worthless
c. boundless

a. speechless

200

Identify the root word of the given word.

misspell

spell

200

The prefix, "dis" means not or opposite of. Which of the following words means, "to not follow directions"?
a. disorganize
b. disappear
c. disobey

c. disobey

200

Fiona trained for the event so she ________ won the trophy.
a. easier
b. easily
c. easiness

b. easily

200

The prefix, "re" means again. Which of the following words means, "to heat again"?
a. repeat
b. reheat
c. recycle

b. reheat

300

Identify the root word of the given word.

unclean

clean

300

Gerry did not hear what Milly said causing him to ________ Milly's actions.
a. mislead
b. misguide
c. misunderstand

c. misunderstand

300

The scientist's __________ deserves a Nobel prize.
a. inventor
b. invented
c. invention

c. invention

300

The prefix, "pre" means before. Which one of the following words means, "to see before"?
a. pretend
b. prepare
c. preview

preview

400

Identify the root word of the given word.

unthankful

thank

400

Saying bad words is __________ behavior. Do not do it.
a. improper
b. unproper
c. inproper

a. improper

400

Jerry is a _________ kid who managed to create furniture from trash.
a. resourceful
b. resourceless
c. resourceness

a. resourceful
400

The prefix, "anti" means against. Which of the following words means, "used against a poison"?
a. antifreeze
b. antidote
c. antibacterial

b. antidote

500

Identify the root word of the given word.

misspelled

spell

500

They want to _________ the blocks so they can play with it.
a. unmantle
b. dismantle
c. inmantle

b. dismantle

500

It is not _________ to use your phones in school.
a. permission
b. permissible
c. permissive

b. permissible
500

The suffix, "able" or "ible" means capable of being. Which of the following words means, "capable of being eaten"?
a. flexible
b. edible
c. terrible

b. edible