Purpose of the lesson: Teach about common prefixes and demonstrate an understanding of them by completing sentences. Identify and understand the meaning of prefixes It is suffixes most common derivatives.
Materials:
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To say: What is the difference between the words bind and loose? (Allow students to respond.)
To say:
The word to fasten means to squeeze or join something. The word loosen means to separate something.
In front of the word arrest is “des”. “Des” is a prefix.
A prefix is a word or a group of letters that change the meaning of a word.
There are many different prefixes. We're going to talk about some of those prefixes today.
The prefixes we're going to talk about are dis, des, re, con, anti, and ex. (Write the prefixes on the board and point to them as you talk about them.)
The prefix re means again. An example is retyping. You would tell someone to retype something or retype it if you didn't get it right the first time.
The prefix 'pre' means before. The word preschool is an example.
Now, you'll make a worksheet to practice what you've learned about prefixes. Create six sentences. Each sentence must have two blank spaces. Using the words in parentheses at the end of the sentences, have students choose which word fits in each space.
Say: Who would like to share their answers? (Allow students to share and pass along responses.)
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