South Dakota ELA 8.RI.2.b
The Standard
- 8.RI.2
- Determine a central idea(s) of a text.
Provide an objective summary of the text.
South Dakota English Language Arts Standards (2025)
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students find the central idea of an informational text and the key facts that support it. They write a short summary in their own words without adding personal opinions or minor details.
What Mastery Looks Like
- A student can explain what the whole text is about, not just its most interesting example. Their summary includes the key facts and stays neutral.
Common Misconceptions
- Students may copy sentences or retell every paragraph instead of choosing what matters most. They may also add their opinion or mistake a striking example for the central idea.
How to Assess It
- Display this text: “The school garden grows tomatoes and peppers. Students harvest them for the cafeteria. Classes also use the garden to study plants.” Ask students to write a one-sentence summary with no personal opinions.
Lesson moves
Ways to Teach It
Give pairs a printed school lunch article and sticky notes; label three key facts, then write the central idea on a separate note.
After reading the article, ask: Why does “The new menu is terrible” not belong in a neutral summary?
Put six sentences from the article on cards; teams choose three worth keeping and write a 30-word summary.
Have students read a school newsletter notice and write a two-sentence summary for a classmate who missed it.
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Printable 8.RI.2.b Worksheet

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