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Grade 4 · Technology and library skills · 25 minutes

Evaluate a source

Choose two adult-selected pages about the same question. Share observations in a guided discussion.

Mr. S Teaches · Starter mini-lesson · elem-4-evaluate-a-source

Learning objective

Explain and practice evaluate a source using the activity and evidence, then take part in a grade-appropriate discussion.

Gather your materials

  • Paper and pencil
  • A book, printed page or adult-approved device as needed
  • Pretend information for privacy activities; no accounts required

Use the items named in the teaching steps; paper models or adult-prepared photographs can replace physical equipment.

Supporting Common Core connection

SL.4.1

Prepare, carry out discussion roles, link comments, and review shared ideas.

Read the official standard ↗

Code and grade verified 2026-11-03. This mini-lesson addresses a selected skill, not the entire standard. The connection is to the guided literacy discussion; it does not establish alignment with this subject’s content standards.

Teach it step by step

  1. Choose two adult-selected pages about the same question.
  2. Identify author, date, evidence and purpose.
  3. Check one important claim against another suitable source.
  4. Follow discussion roles and explain a judgment with evidence.
  5. Discuss your evidence, follow agreed roles, and build on classmates’ ideas. Give each person a turn, invite a question, and finish by naming an idea heard from someone else.

Watch, notice, discuss

Video choices for this lesson

2 choices

Preview a video, then choose what fits your learners. “Show to class” opens a larger view; use the player’s play and full-screen controls when you’re ready.

Teacher preview needed. Check the language, level and length before showing. YouTube may show ads or related videos.

After watching

Compare two sources about the same question. Who created each one, and what supports its claims?

An external player loads only after you choose Preview or Show to class. Playback connects to YouTube. Videos belong to their creators; availability and embedding can change.

Make the thinking visible

Example to work through together

A named author citing observable evidence may be more useful than an anonymous sales claim, but a familiar design alone does not establish accuracy.

Try the starter activity

Compare two teacher-selected pages for author, date, evidence, and purpose. Then discuss your findings with a partner or adult, using the discussion goal above.

Student practice

Compare two provided pages and recommend one for a specific research question.

Quick check for understanding

Which source would you trust more, and why?

Sample answer and teacher guidance

Sample answer: Look for criteria and corroboration; neither a newer date nor an official-looking logo alone guarantees reliability.

Listen or look for: Look for criteria and corroboration; neither a newer date nor an official-looking logo alone guarantees reliability.

Invite the learner to explain, demonstrate, draw or dictate their reasoning. Revisit a teaching step when the explanation is unclear.

Make it work for your learner

A little more support

Provide a four-criteria checklist and printed excerpts.

An additional challenge

Explain a limitation of the preferred source and what would strengthen confidence.