Spelling Unit 12
Focus: common negative prefixes and tricky roots (un, in, im, dis, il, ir)
Spelling Generalization: Some of these prefixes are attached to a noun or adjective, and some
are only attached to a verb. Words with un, in, or dis are not predicable. You must just learn
those words.
List
Prefix un: normally added to an adjective or noun to form an adjective or a noun
1. uncountable
2. undamaged
3. unkind
4. unlucky
5. undesirable
Prefix un: meaning do the reverse of; normally added to a verb to form another verb
6. unwrap
7. undo
Prefixes in, im, il, ir: normally added to an adjective to form an adjective
8. illegal
9. illiterate
10. imbalanced
11. impossible
12. immeasurable
13. irregular
14. irresponsible
15. incomplete
16. incorrect
Prefix dis: normally added to a verb, an adjective, or a noun …resulting words can be a verb, an
adjective, or a noun
17. disappear
18. discard
19. disbelieve
20. discontinue
21. dishonest
22. dissatisfied
In-class Work
Monday: self-correct; review use of prefixes (change meaning) and spelling challenges
Tuesday: Syllabification Chart
Wednesday: Dictionary/Thesaurus Skills
Homework
Monday: Use the dis words in 6 expanded sentences.
Tuesday: Explain the syllabification chart to your parent (Parent Feedback)
Wednesday: Using the work from class today, use five of the synonyms you found in expanded
sentences.
Thursday: Study
Spelling Unit 12
Focus: common negative prefixes and tricky roots (un, in, im, dis, il, ir)
Syllabification Chart: Learning where syllable breaks occur will help your spelling progress. Use
an online dictionary or one of the class dictionaries. Be aware that you may have to remove the
prefix when locating the word.
Choose seven of your words.
Word
My Syllabification
Dictionary Check
uncountable
un coun ta ble
My son/daughter was able to explain the spelling chart and impact of prefixes.
________________________________________________________________________
5 (absolutely)
3 (pretty well)
1 (a review is needed)
Spelling Unit 12
Focus: common negative prefixes and tricky roots
(un, in, im, dis, il, ir)
Dictionary/Thesaurus Skills: Choose five of your words. Create a dictionary entry (include
word, pronunciation, part of speech, definition, and a sentence). List two of three synonyms
for your word.
Word: ____________________________ Pronunciation: ________________________
Part of Speech: _____________________ Definition: ____________________________
________________________________________________________________________
Sentence: _______________________________________________________________
________________________________________________________________________
Synonyms: ______________________________________________________________