Subject: Communication Arts

Objective: Prefixes, Suffixes, and Base Words

Name: Angie Binkhoelter

Grade Level: 3

Lesson Overview: Students will learn to identify base words. They will learn the meaning of various prefixes and suffixes. They will learn how these prefixes and suffixes change the meanings of base words.

Learn how to use prefixes, suffixes, and base words to find the meanings

of words.

A base word is a word in its simplest form. A base word has nothing added to it.Examples:DoHeat WriteReadPack

Base Words

Write the base words.

Played

Running

Reheat

Quickly

Unhappy

Prefixes are added to the beginning of a base word. They change the meaning of the base word.

Un + happy = unhappy

Re + do = redo

Prefixes

• The prefix re means again.

• Reread means to read again.

• Rewrite means to write again.

• What does reheat mean?

• The prefix un means not or the opposite of.

• Uncomfortable means not comfortable.

• Unpack means the opposite of pack.

• What does unclear mean?

PrefixesAdd a prefix to the beginning of each word to make a new

word. Draw a line form the word to its meaning.

• ____do• ____happy• ____clear• ____read• ____pack

• The opposite of pack• Do again• Opposite of clear• Read again• Not happy

Suffixes are added to the end of a base word. They change the

meaning of the base word.

wonder + ful = wonderful

rest + ful = restful

• 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?

SuffixesAdd a suffix to the end of each base word. Draw a

line to its new meaning.

• Loud____• Color____• Wonder____• Sudden_____• Play____

• In a loud way• Full of play• Full of wonder• In a sudden way• Full of color

Match each word with its definition.

healthful

slowly

unlock

reheat

sadly

uncomfortable

reread

in a sad way

to heat again

the opposite of lock

to read again

full of health

in a slow way

not comfortable