South Dakota ELA 9-10.RI.2
Standard Cluster
Determine a central idea of a text. Analyze its development over the course of the text, including how it is introduced, built, and refined by specific details. Provide an objective summary of the text to support analysis.
South Dakota English Language Arts Standards (2025)
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Standards in This Cluster
9-10.RI.2 is a cluster heading. These are the individual standards under it.
Teacher's field guide
What This Cluster Means
What Students Need to Do
- Students state what an informational text says overall, not just its topic. They trace how details across the text build or sharpen that idea. They write a neutral summary.
What Mastery Looks Like
- A student states the central idea in a full sentence. They explain how details from the opening, middle, and end develop it. Their summary covers the main points without adding an opinion.
Common Misconceptions
- Students may name a topic, such as school start times, instead of stating what the text says about it. They may treat every fact as equally important or add their own opinion to the summary.
How to Assess It
- Give students a one-page article about later school start times. Ask them to state its central idea, mark one detail each from the opening, middle, and end that develops it, and write a two-sentence neutral summary.
Lesson moves
Ways to Teach It
Give pairs a printed article about school start times and sticky notes to mark details that introduce, build, and sharpen its main idea.
Ask students to answer, 'How does the final paragraph sharpen the point about school start times?' using one quoted detail.
Shuffle three detail cards from the article; teams put them in order and explain how each builds or sharpens the central idea.
Read a school board notice about a proposed bell schedule; students write its central idea and a neutral two-sentence summary for families.
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Printable 9-10.RI.2 Worksheet

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