Prefix Demo

Pre-fixes

I can: demonstrate my understanding of prefixes re-, un, and dis through reading and writing activities.

Multiple Choice

Which word matches this picture?

• retry

• rebuild

• replay

Multiple Choice

Which word matches this picture

• reheat

• retry

• rewrite

Multiple Choice

Which word matches this picture?

• review

• reward

• refill

Prefixes

What is a prefix?

A prefix is a group of letters that is added to the beginning of a [root] word, and changes the meaning of the word.

​Prefixes and Root Words

A root word is the main part of a word.

Replay

Unwind

Disagree

There are 5 common prefixes,

-re

-un

-dis

-mis

-pre

Replace

Redraw

Rewrite

Refill

Reheat

​

Re = to do something again.

Multiple Choice

What is the meaning of the prefix re?

• again

• not

• opposite of

Unhappy

Unhealthy

Unkind

Unlock

Unzip

​

​Un ="not"

Multiple Choice

What is the meaning of the prefix un?

• again

• opposite of

• not

Disagree

Disappear

Dislike

Dishonest

​

Dis= the opposite of

Multiple Choice

What is the meaning of the prefix dis?

• opposite of

• again

• not

Let's Practice What We've Learned

Multiple Choice

Choose the word that matches the picture.

• rehappy

• unhappy

• dishappy

Multiple Choice

What is the meaning of the prefix re?

• again

• not

• opposite of

Multiple Choice

I was ________ when my mom did not buy me the toy.

• rehappy

• unhappy

• dishappy

Multiple Choice

What is the meaning of the prefix dis?

• opposite of

• again

• not

Multiple Choice

Choose the word that matches the picture.

• reagree

• unagree

• disagree

Multiple Choice

The teacher made us ______ the story.

• unread

• disread

• reread

Multiple Choice

I _______ carrots.

• dislike

• relike

• unlike

Multiple Choice

Choose the word that matches the picture.

• reheat

• disheat

• unheat

Multiple Choice

What is the meaning of the prefix un?

• again

• opposite of

• not

Exit Ticket

Open Ended

Create a new word by choosing a prefix and a root word:

Re/un/dis

aware/comfort/do/heat/agree

Open Ended

Create a new word by choosing a prefix and a root word:

Re/un/dis

honest/build/fair/play

Open Ended

Write a sentence using a word that has the prefix -re.

Open Ended

Write a sentence using a word that has the prefix -un.

Open Ended

Write a sentence using a word that has the prefix -dis

Open Ended

Challenge Sentence!!

Think of a word we haven't said today using one of our prefixes. Can you put that word in a sentence of your own?