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

Objectives 1- Students will learn to identify base words. 2- They will learn the meaning of various prefixes and suffixes. 3-They will learn how these prefixes and suffixes change the meanings of base

Root…. Improvement Root…. foolish Root…. unhelpful Root…. careless Root…. childish Root…. motivation improve care fool help child motive

Prefixes –( again ) What is appear? appear re

(Not) Prefixes These prefixes indicate the word not: ……… legal—not legal …….possible—not possible ………..active—not active...….regular—not regular … sense—no sense …....…happy il im in ir non un

Behavior Prefixes: Mis—wrongly—misunderstand—wrongly understand Mis—badly—misbehave—badly behave Pre—before—prefix—before the word

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

The Objectives : 1- Use knowledge of prefixes to help determine the meaning of words 2- Understand sound / spelling correspondences

Mono / Uni = one Monolingual Using only one language Monologue A long speech by one person

Mono / uni= one Monopoly The control of an industry by one company. (monopolize) Monosyllable A word that has only one syllable. Unicorn One horn ( animal).

Uni/ one Unilateral Done by one of the sides. Unison In one sound / together.

Tri/ three Triangle A shape that has three sides and three angles. Trilogy A group of three books. Triple Made of three parts.

Multi/ many Multimedia Involving several different methods of communication. Multinational Involving many countries. Multiple Having many parts.

Semi/ half Semicircle One half of a circle. Semifinal One of the 2 matches after which the winners play in the final.

Bi/two Bilingual Using 2 languages. Binoculars An instrument with 2 lenses which you look through to make distant objects seem nearer. Bigamy Being married to 2 women.

Inter/ among or between Interaction Co-operation or mixing. Intercontinental Between continents. Intermediate Coming between 2 people or things in a level.

Fill in from the list Monopoly, unilateral, unison, bilingual, triple, semi-finals, multinational, intercontinental The government is determined to protect its tobacco…………. - The party leader has actually declared her support for……………….. - Try to sing in …………….if you can.

Monopoly, unilateral, unison, bilingual, triple, semi-finals, multinational, intercontinental 1 -She works as a ……….secretary for an insurance company. -2 Her trainer is a ……………Olympic champion. 3- The UN has sent a …….peace-keeping force 4- There are many … ……flights today. 5- Who's in the…… ………….?

Fill in from the list Monopoly, unilateral, unison, bilingual, triple, semi-finals, multinational, intercontinental 1- The government is determined to protect its tobacco…… monopoly 2-The party leader has actually declared her support for……… unilateral. 3-Try to sing in …… unison ……….if you can.

Monopoly, unilateral, unison, bilingual, triple, semi-finals, multinational, intercontinental 1-She works as a …… bilingual ….secretary for an insurance company. 2-Her trainer is a …… triple ………Olympic champion. 3-The UN has sent a.... multinational..peace - keeping force 4-There are many … intercontinental flights today. 5 -Who's in the…… semi-finals …………. ?

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A base word is a word in its simplest form. A base word has nothing added to it. Examples: Do Heat Write Read Pack

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?

Prefixes Add 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. ( adjective) wonder + ful = ( full of) wonderful rest + ful = restful

Suffixes Add 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

A prefix is a word part added to the beginning of a root word.

A prefix changes the meaning of a word.

A suffix is a word part added to the end of a root word.

A suffix also changes the meaning of a word.

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. 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.”The suufix “less” means …………….. (

“That’s nonsense,” said his brother Jake. “You can use my bike.” The prefix “non” means ( before – against – not)

“Gee, thanks,” said Randy, hopping on the bike.

“See, I can be likable!” said Jake with a grin.The suffix “able” means ………. ( relating to- capable of being- made of)