Using affixes to determine the meaning of an unknown word
Using affixes to determine the meaning of an unknown word

Using affixes to determine the meaning of an unknown word

I can use affixes to determine the meaning of an unknown word.

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General

In this lesson, students will learn about common prefixes and suffixes. They will use them to help determine meanings of unknown words and complete several activities, including separating root words from affixes and sorting words by their meanings.

Standards

CCSS.ELA-Literacy.L.K.4b

Learning objective

Students will be able to use affixes to determine the meaning of an unknown word.

Introduction

Students will match pictures that have the same word but different meanings. Discuss why using affixes to help determine the meaning of unknown words can be useful.

Instruction

Introduce or review prefixes and suffixes using the examples provided. The example of a prefix is -re (again), which is added to the root word, "read," and creates the new word, "reread." The example of a suffix is -ful (full of), which is added to the root word, "help," and creates the new word, "helpful."

Students will read the words, "dislike," "careful," and "misspell," and write the root words. They will read a table of words and highlight the prefixes. Next, they will read words with suffixes, and separate the root word and suffix. They will also drag puzzle pieces that contain root words and suffixes together to create words. They will then read a list of 5 words and use the prefixes to determine the meaning of the words. Students will sort words by their meanings: "more" or "without." They will also write sentences using affixed words, including "unzip" and "refilll."

Quiz

Students will respond to ten multiple-choice and open-ended questions.

Closing

Students will recall what they learned:
- When affixes are added to a root word, what do they change?
- What is an example of a prefix? What is an example of a suffix?

Students will play memory. Lastly, they will use the spinners to make a word. They will need to determine whether it is a real word.

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