031 Suffix ous
👩🏫 Teacher’s Guide
Objective
Students will apply suffix ous using the examples and practice below.
Vocabulary
dangerous, joyous, famous
Teaching Notes
- Model one response, then ask students to work independently and explain their choices with specific words or evidence.
- Teach the rule, discuss the worked example, and cover answers during practice.
- Use incorrect responses to identify which part of the rule needs another example.
- Allow approximately 25–35 minutes, including discussion and independent practice.
🧒 Student Worksheet
Concept and Helping Material
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Big Idea
A suffix is added to the end of a base. In these examples, ous contributes the meaning "having a quality." Word parts are clues; always check the whole word in context.
Word study
- dangerous: involving danger
- joyous: showing joy
- famous: widely known
Model
Read the first example. Identify the word part, explain the whole word, and test the meaning in a sentence.
Vocabulary and Definition
- — involving danger
- — showing joy
- — widely known
Words to Learn
dangerous, joyous, famous
Sentences to Fill In
- The term for involving danger is ____.
- The term for showing joy is ____.
- The term for widely known is ____.
Think & Respond Q&A
- What does dangerous mean?
- Which word means "involving danger"?
- What does joyous mean?
- Which word means "showing joy"?
- What does famous mean?
- Which word means "widely known"?
- Use one practice word in a sentence that shows its meaning.
Hands-On Experiment or Activities
Make matching word and meaning cards. Match each pair, then group words with the same word part. Explain how the part affects the meaning. Check any spelling change when the part is added.
Reflection
- Explain one thing you learned.
- Write a short paragraph applying the skill. Underline your evidence or target words and explain one choice.