PREFIXES

THE UNFORTUNATE WORLD OF PREFIXES

TEENS 2.2​

Multiple Select

Which of these words have a prefix?

• convincing

• impossible

• submarine

• descendant

Multiple Select

Which of these words have a prefix?

• inconvenient

• historical

• privilege

• metaphor

What is a prefix?

Some prefixes give adjectives, nouns and verbs a particular meaning.​

For example, when the prefix un- is added to the word happy, it creates the word unhappy.

​

​What is a prefix?

A prefix is an affix that is placed before the stem of a word. Therefore, PRE- is a prefix that means before.

Multiple Choice

This prefix means "very small".

• mis-

• multi-

• micro-

Multiple Choice

This prefix means "badly or wrongly".

• mis-

• multi-

• micro-

Fill in the Blank

Some of my students ______.

(behave badly)

Fill in the Blank

I have a friend who studied _____.

(the smallest organisms of biology)

Multiple Select

What other words can go with the prefix mis-?

• conception

• hear

• inform

• understand

Multiple Choice

Which of these prefixes means "too much"?

• super-

• multi-

• over-

Multiple Choice

Which of these prefixes means "extremely" or "above"?

• super-

• multi-

• over-

Multiple Choice

Yesterday, I _____. I woke up at 1 p.m.

• superslept

• multislept

• overslept

Multiple Choice

Billie Eilish is a star who is extremely famous!

• superstar

• multistar

• overstar

What is a prefix?

MICRO-

MIS-

MULTI-

OVER-

SUPER-

PRE-​

​

PREFIXES

MICROWAVE

MISBEHAVE

MULTICULTURAL

OVERSLEEP

SUPERMAN​

​PREHISTORY

Fill in the Blank

I told her not to do it, but she _____.

(understand wrong)

Fill in the Blank

This worker is _____. He is extremely efficient!

Multiple Choice

Now, Joe Biden is the USA's leader and Donald Trump is...

• ex-girlfriend

• ex-president

• ex-convict

• Peppa Pig

Multiple Choice

Submarine, subatomic, subway...

The prefix SUB- means...

• against

• not enough

• under

Multiple Choice

Be careful! Because the prefix UNDER- means...

• against

• not enough

• under

Fill in the Blank

She can't go into the club because she is _____.

(not enough age)

Fill in the Blank

If you have many millions (a lot of millions). You are _____.

Fill in the Blank

A _____ is the sentence written under the title.

Multiple Choice

ANTI- means AGAINST.

Which of these words is INCORRECT?

• antiwar

• antisocial

• antigravity

• antilaw

What is a prefix?

MICRO-

MIS-

MULTI-

OVER-

SUPER-

PRE-

EX-

SUB-​

​

MICROWAVE

MISBEHAVE

MULTICULTURAL

OVERSLEEP

SUPERMAN​

​PREHISTORY

EX-GIRLFRIEND​

​SUBMARINE

UNDER-​

ANTI-​

​

UNDERAGE

ANTIWAR​

​

PREFIXES

Multiple Choice

Which of these prefixes means "again"?

• AUTO-

• CO-

• SEMI-

• RE-

Multiple Choice

Which of these prefixes means "together with"?

• AUTO-

• CO-

• SEMI-

• RE-

Multiple Choice

Which of these prefixes means "of or by oneself"?

• AUTO-

• CO-

• SEMI-

• RE-

Multiple Choice

Which of these prefixes means "half"?

• AUTO-

• CO-

• SEMI-

• RE-

Fill in the Blank

A book about a person's life, written by himself is an...

Fill in the Blank

The second pilot in a plane, who works together with the pilot is called...

Fill in the Blank

When you warm up the food in the microwave for the second time... You put heat on it twice.

Fill in the Blank

Half of the circle is called...

What is a prefix?

MICRO-

MIS-

MULTI-

OVER-

SUPER-

PRE-

EX-

SUB-​

​

MICROWAVE

MISBEHAVE

MULTICULTURAL

OVERSLEEP

SUPERMAN​

​PREHISTORY

EX-GIRLFRIEND​

​SUBMARINE

UNDER-​

ANTI-

AUTO-

CO-

SEMI-

RE-​

​

​

UNDERAGE

ANTIWAR​

​AUTOBIOGRAPHY

COINCIDENCE​

SEMI-SKIMMED​

REHEAT​

PREFIXES

The NEGATIVES have arrived!

The following prefixes have a negative meaning

UN-

IN-/IL-/IM-/IR-

​DIS-

NON-​

​

UNHAPPY

ILLEGAL

DISHONESTY

NON-STOP

Multiple Choice

The opposite of MORAL is...

• unmoral

• dismoral

• immoral

• inmoral

Multiple Choice

The opposite of COMFORTABLE is...

• uncomfortable

• discomfortable

• non-comfortable

• incomfortable

Multiple Choice

The opposite of ACCURATE is...

• unaccurate

• inaccurate

• disaccurate

• imaccurate

Multiple Choice

The opposite of ALCOHOLIC is...

• unalcoholic

• disalcoholic

• non-alcoholic

• orange juice

Multiple Choice

The opposite of SIMILAR is...

• unsimilar

• dissimilar

• non-similar

• in similar

GOOD JOB!

​

TEENS 2.2​