South Dakota ELA 11-12.RST.2.b

ELAGrades 11–12Reading: Science/Technical Subjects

The Standard

11-12.RST.2
Determine the central ideas of a text.
Provide an accurate and 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 identify the main point and key findings in a science or technical text. They summarize those points in their own words without adding opinions or unsupported claims.

What Mastery Looks Like

A student can summarize a lab report by naming what was tested and what the results showed. They keep limits such as 'in this sample' and leave out minor details.

Common Misconceptions

Students may list every detail instead of choosing the main points. They may turn a reported link into a cause or change a cautious finding into a claim that is always true.

How to Assess It

Exit ticket: Read, 'Twenty seedlings grew under blue light and twenty under red light for two weeks; both groups got the same soil and water; the blue-light group grew 3 cm taller on average.' Write a one-sentence summary of the comparison and finding without claiming blue light always works better.

Lesson moves

Ways to Teach It

  1. Give pairs a printed lab report and three highlighters to mark what was tested, how it was tested, and what was found.

  2. Show two summaries of a lab result, one cautious and one overstated, and ask which wording the evidence supports.

  3. Give teams four summary cards for a water-filter article and have them sort accurate statements from opinions and unsupported claims.

  4. Hand out a consumer test of two water filters and have students write a neutral two-sentence summary for a shopper.

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