Prefix Power
What does micro- mean?
Very small
What sound does -ed make in walked?
/t/
Which ending do you add to react? -tion or -sion. Spell it
Meaning: to name an action or response
reaction
Add -ic to atom to mean "related to atoms" Spell it
atomic
Is this thin or thick? "what does micro- mean?"
Thin
What prefix do you add to frost to get the meaning remove frost?
de --- defrost
What sound does -ed make in played?
/d/
Which ending do you add to decide? -tion or -sion. Spell it.
Meaning: to name a choice
decision
Add -ic to science to mean "related to science" Spell it
scientific
Is this thin or thick? "Why might an author choose to end a story this way?"
thick
What does ab- mean in the word absent?
Away from a place
What sound does -ed make in wanted?
/id/
Which is the correct spelling:
invention or invension
invention
Add -ed to study to show a past action. Spell it
studied
Turn this thin question into a thick one: "What sound does -ed make in walked?"
How does the -ed sound in walked compare with played or wanted?
What word means a very small living thing?
Microorganism
Name the -ed sound in each word: helped, cleaned, needed.
Helped /t/
cleaned /d/
needed /id/
Provide the correct ending for both words:
divi_______ and inven_______
division
invention
Build a word from metal with -ic. Spell it
Metallic
Is this thin or thick? "How does -ic change science in scientific, and what clue supports your answer?"
explain why its thin or thick.
Thick, it asks you to explain a word change and support your thinking.
Think of the prefixes de, ab and micro. Provide a word that you know for each of the prefixes and explain the meaning of the word.
Examples
absent - away from a place
microscope - a tool to see small things
deconstruct - to take apart
What sound does -ed make in painted? Why?
/id/ The base word ends in /t/, so the ending adds a syllable.
Listen to word ___________. Base word is erode.
What is the correct spelling: -tion or -sion.
Use the word in a sentence
erosion
The river caused erosion around its banks.
Add a prefix or a suffix to the following base words:
normal, organism
Define each word you created.
abnormal - not normal
microorganism - small living thing
Label and explain: "What does the key show about the character?" and "Who found the key in the story?"
“Who found the key in the story?” is thin because it asks for a specific fact. “What does the key show about the character?” is thick because it asks for interpretation and reasoning.