Suffix | Meaning |
---|---|
-er, -or | one who |
-ful | full of |
-ous | full of, having |
-y | like, having that quality |
When you add a suffix to a base word, you change the meaning.
color base word | + | -ful suffix | = | colorful |
The suffix -ful means “full of,” so colorful means “full of color.”
1. If the suffix begins with a consonant, make no change to the base word unless it ends in -y.
2. If the suffix begins with a vowel, you may need to make a change.
Build Words Add a suffix to each base word. Use the chart above. Record the new word and use it in a sentence.
1. courage
2. dirt
3. plenty
4. work
5. carve
6. danger
7. visit
8. faith
In “The Forgotten Treasure,” the father uses a spear, a bow, and arrows. What other tools did early humans use?
1 Conduct Research Work with a partner to do research. Take notes.
Find out how early humans developed tools and used fire.
2 Prepare a Presentation Review your notes. Write each main idea on a card. Write examples for each main idea on separate cards. Organize your cards. Draw or gather pictures to illustrate the information. Then practice using your cards and pictures to present the information.
3 Present the Information Use your cards to give your presentation. Speak in a clear voice. Display your pictures. Use meaningful gestures. For example, show how people used certain tools.