Prefixes and Suffixes

Base/Root Words A base or root word is a word in its simplest form. A base word has nothing added to it. Examples: Do Heat Write Read Pack

Root Words Played Running Reheat Quickly Unhappy Pick out the root words. Played Running Reheat Quickly Unhappy

Prefixes and suffixes change the meaning of a word.

A prefix is a word part added to the beginning of a root word. Examples: Un + happy= unhappy Re + do = redo

Prefixes The prefix un means not or the opposite of. Uncomfortable means not comfortable. Unpack means the opposite of pack. What does unclear mean? The prefix re means again. Reread means to read again. Rewrite means to write again. What does reheat mean?

A suffix is a word part added to the end of a root word. Examples: Wonder + ful= wonderful Happy + ness= happiness

Suffixes The suffix ly means in a certain way. Quickly means in a quick way. Loudly means in a loud way. What does suddenly mean? The suffix ful means full of. Colorful means full of color. Playful means full of play. What does thankful mean?

Prefixes We Know Examples im- not in- not bi- two non- not dis- not or opposite of improper incomplete bicycle nonstop disagree

Suffixes We Know Examples -er one who -or one who -less without -able, -ible can be farmer actor useless buildable reversible

Randy’s bike tire was flat Randy’s bike tire was flat. He found the pump because the garage was in order. “There is hope,” said Randy. “I’ll make it to the soccer game on time.”

Randy’s bike tire was flat Randy’s bike tire was flat. He couldn’t find the pump because the garage was in disorder. “It’s hopeless,” said Randy. “I’ll never make it to the soccer game on time.”