South Dakota ELA 9-10.L.5.b
The Standard
- 9-10.L.5
- Demonstrate understanding of semantics.
Analyze word relationships (morphology, etymology, and linguistics) and their role in creating nuanced meaning.
South Dakota English Language Arts Standards (2025)
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students break related words into roots, prefixes, and suffixes. They find out where a root came from and compare how the words are used in sentences. They explain why one word fits better than a close relative.
What Mastery Looks Like
- A student can trace the root cred to Latin credere, meaning believe. They can explain why a credible reporter is believable, while a credulous reporter believes others too easily. They can choose incredulous for someone who doubts a claim.
Common Misconceptions
- Students may think words with the same root mean the same thing. They may confuse a credible person, who can be believed, with a credulous person, who believes too readily. They may assume a root's old meaning gives them the full meaning of every related word.
How to Assess It
- Exit ticket: Complete the sentence, "The witness said, 'I don't believe that story.' She sounded ___." Choose credible, credulous, or incredulous, then explain your choice using credere (believe) and the word parts.
Lesson moves
Ways to Teach It
Give pairs cards for credere (believe), credible, credulous, and incredulous; have them match each English word to a sentence and mark its parts.
Ask, "Would you rather have a credible or a credulous fact-checker?" Have students write two sentences explaining their choice.
Play word-choice bingo with credible, credulous, and incredulous; read a sentence, and have students cover the fitting word and defend it.
Give students a mock online review calling a buyer credulous; have them change it to incredulous and explain how the buyer's reaction changes.
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Printable 9-10.L.5.b Worksheet
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Related Standards
- 11-12.L.5.b
Analyze word relationships (morphology, etymology, linguistics) and their role in creating nuanced meaning.
- 3.L.5
Demonstrate understanding of word relationships and subtle differences in word meanings.
- 11-12.L.4.b
Analyze morphology to explore different meanings or parts of speech (e.g., conceive, conception, conceivable).
- 9-10.L.4.b
Use morphology to indicate different meanings or parts of speech (e.g., analyze, analysis, analytical; advocate, advocacy).
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