1. Chapter 04 – Page 37 * Prefixes Chapter 07 – Page 67 * Root Words
Week 09
Chapter 04 – Page 37
* Prefixes
Chapter 07 – Page 67
* Root Words
ESL Reading

2. Week 09 Goals Define & learn about prefixes
Students must read pp in the Reading book to prepare for the homework
Define and understand root words
Students need to read pp in the Reading book to prepare for homework

3. impossible = not possible
Prefixes
A prefix is added to the front of a word to change its meaning.
un- im- in ir-
When you add these prefixes to an adjective it is like saying ‘not’…
For example: unhappy = not happy
impossible = not possible

4. Other Examples
Can you think of other prefixes?
re-
dis-

5. Other prefixes

6. Prefix this! un- im- in- ir-
Practice prefixing the following words to make new words that mean the negative of the original word
Able Mature Known Resistible
Visible Patient Attached
Convenient Easy Justice
Cover Dress Responsible Fair

7. Answers unable immature unknown irresistible
invisible impatient unattached
inconvenient uneasy injustice
uncover undress irresponsible unfair

8. Understanding Root words – Pg. 67

9. A root word has no prefix or suffix. It's the most basic part of a word

10. Suffixes: letters at the end of a root
ROOT WORD - what's left after you remove affixes
Prefixes: letters at the start of a root
Suffixes: letters at the end of a root

12. Conclusion – Root Words
Many English words are made from roots
A root word is the basic part of a word
It does not have a prefix or suffix

13. Optional Group Activity
Form groups or work with a partner
Write 10 sentences that use at least 2 of the following: prefix / root word / suffix.
There will be a reward for the 3 teams that finish first. Good luck!
Examples: My homework is incomplete.
My social life is undesirable.

14. Checklist
Homework deadline - June 7th . Extra credit for early submission.
Read and complete pps to review prefixes.
Read and complete pps to completely understand root words
Review the reading PPT online to prepare for final exam questions.
See you next week ☺