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Grade 5 Morphemes Practice
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Grade 5 Morphemes Practice
Morphemes are meaningful word parts: a base word, prefix, or suffix. Read each clue carefully, then investigate how word parts change meaning or spelling.
Decode the Word Parts
Use prefixes and suffixes to solve each word puzzle.
1.Lucy is sorting labels for a science display. The label says “dioxide.” What does the prefix di- mean in this word?
- one
- two
- many
- without
2.A sign says the trail is harmless. What does the suffix -less tell you about the trail?
- It has a lot of harm.
- It is without harm.
- It happened in the past.
- It has more than one harm.
3.Which word means “a person who directs”?
- direction
- director
- directly
- directed
4.Write the prefix de- or the suffix -less to complete each clue word. (a) frost: remove the frost. (b) care: without care.
Build and Break Words
Look at the base word and notice what changes when a morpheme is added.
5.Break each word into its base word and suffix. Example: helpful = help + -ful. (a) fearless (b) inventor (c) dishes
6.Add the suffix -es to make each word plural. Pay attention to the spelling of the base word. (a) box (b) brush
7.Add -or to act to name a person who acts. Then use the completed word in a sentence about a school play.
8.A student writes “boxs” for the plural of box. Rewrite the word correctly and explain which suffix spelling is needed.
Word-Part Challenge
Use the clues to connect word structure and meaning.
9.Match each word to its meaning.
- harmless
- inventor
- dioxide
- brushes
- a person who invents
- more than one brush
- a compound with two oxygen atoms
- without harm
10.Choose two words from this list—careless, director, fearless, brushes, actor—and write one sentence that uses both words correctly. Underline the suffix in each chosen word.
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