South Dakota ELA 9-10.RST.2.b

ELAGrades 9–10Reading: Science/Technical Subjects

The Standard

9-10.RST.2
Determine the central ideas of a text.
Provide an accurate 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 read a science or technical text and identify its main point. They explain the key details in their own words without changing the meaning or adding opinions.

What Mastery Looks Like

A student can briefly explain what a lab report tested and found. The summary keeps important numbers and limits accurate while leaving out minor details.

Common Misconceptions

Students may copy long sections or list every measurement instead of selecting key points. They may change 'was linked to' into 'caused' or treat a prediction as a result.

How to Assess It

Exit ticket: 'Two bean plants got equal water for two weeks; one got eight hours of light daily and grew 12 cm, while the other got two hours and grew 4 cm.' Summarize the test and result in one sentence without claiming light was the only possible cause.

Lesson moves

Ways to Teach It

  1. Give pairs a printed lab report and three highlighters; mark the question, method, and results, then write a two-sentence summary.

  2. Ask: 'Which result must appear in a summary of this lab report, and which measurement can you leave out? Why?'

  3. Put six detail cards from a lab report on desks; teams sort them into 'include' or 'leave out,' then defend one choice.

  4. Print a weather service heat advisory; students write a two-sentence message for families with the timing, risk, and recommended action.

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Printable 9-10.RST.2.b Worksheet

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