Word Detectives: Unlocking Prefixes!
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Word Detectives: Unlocking Prefixes!
Grade 2 English Language Arts Discovering how prefixes change word meanings
What is a Prefix?
A prefix is a word part It goes at the BEGINNING of a word It changes the word's meaning Like adding 'un-' to 'happy' makes 'unhappy'
Meet Our Prefix Friends!
un- means 'not' or 'opposite' re- means 'again' pre- means 'before' dis- means 'not' or 'away'
Prefix Magic in Action
{"left":"happy → unhappy\nkind → unkind\nplay → replay\npack → repack","right":"school → preschool\nheat → preheat\nlike → dislike\nappear → disappear"}
Detective Challenge: Match the Clues!
I'll give you a base word You pick the right prefix We'll solve the word mystery together! Ready to be a word detective?
Think Like a Detective!
If I add 're-' to 'read', what happens? What does 'reread' mean? Can you use 'reread' in a sentence?
Build Your Own Words!
Choose a prefix: un-, re-, pre-, dis- Choose a base word: tie, make, cook, agree Put them together! Explain what your new word means
Congratulations, Word Detective!
You learned what prefixes are! You can change word meanings with prefixes You built new words like a pro! Keep looking for prefixes everywhere you read!