Prefix Lesson (With a Crazy Prefixes Game)

Prefix Lesson

When you recognize a word’s prefix, you can make a better guess at the meaning of a new word. Or as our new prefix video says, “Prefixes…It’s like a remix, it changes things.” By the end of this prefix lesson plan, students will be able to recognize the meanings of common prefixes, use the prefixes to determine meanings of words, and then play a prefixes game where they invent new words using prefixes.

Prefix Lesson Plan

1. Begin by watching Flocabulary’s Grammar Rap prefixes video.

2. Click on the lyrics to review some of the most common prefixes in English. The common prefixes included in the song are:

non- re-
un- pre-
il- macro-
in- micro-
im- mono-
ir- tele-
dis- semi-
de- fore-
anti- over-

Review the meanings of these prefixes with students by clicking on the lyrics. In each infobox that pops out, students can use their knowledge of prefixes to guess the meaning of a new word.

For example:
prefixes infobox

3. Now it is time for the Prefixes game, which teaches common prefixes while also reviewing your class’s current vocabulary words…

The Prefixes Game: Invent a Word

Write each prefix on a separate sheet of paper and put them in a bowl or hat. Then take 20-30 recent vocabulary words from your class, and write each on a separate sheet of paper, and put them in a separate bowl or hat. (If you’re not sure which vocabulary to use, try some words from a Flocabulary Word Up unit.)

Tell your students they will be inventing some new words. Give half the class a prefix and half the class a vocabulary word. Once everyone has a prefix or word, they will have 3 minutes to find a prefix or word partner and create a new word. Prefix/Word partner groups will then go around and tell the class what their new word means. They should also use it in a sentence. This is a great way to check for understanding about prefix and vocabulary meanings.

For example, “over-” and “crumpled” would be overcrumpled, and students could define it as something being crushed too much. And a sentence could be, “I overcrumpled my shirt when I threw it in my backpack, and now it will never be flat.”

After the round, put the prefixes and words in their hats, and if you’d like, play a few more rounds.

Like the prefixes song? Well Flocabulary has 16 Grammar Rap songs and videos. Listen to them here, and experience them all with a free trial!

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