Grade 4 · lesson 4 of 4

Retain Evidence in a Crop

A crop changes what remains visible.

About 20 minutes, plus any extended practice

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Supplied materials

  • Paper and a pencil for a picture and a crop boundary. You can describe which objects the boundary keeps.
  • Read this example: An original picture’s claim is supported by the visible relation between hand and gift. Which crop preserves evidence for that relation? Supplied candidates: (A) Crop to an empty corner (B) Keep both hand and gift and the connecting space (C) Keep only gift (D) Keep only hand.
  • Try this question: An original picture’s claim is supported by the visible relation between eye and telescope. Which crop preserves evidence for that relation? Supplied candidates: (A) Crop to an empty corner (B) Keep both eye and telescope and the connecting space (C) Keep only eye (D) Keep only telescope.

Learn the idea

Cropping changes what stays visible in a picture. If you need to show how two objects are related, keep both objects and the space or action linking them.

Reason through the supplied case: The relationship needs both relevant objects plus the visible space or action linking them. A tighter crop may remove irrelevant material, but deleting one of the two evidence-bearing objects prevents the same supported comparison.

A tighter image can remove distractions but also remove necessary evidence. Choose the crop from the stated analytical purpose, rather than assuming tighter always means better.

  1. Read the hand-and-gift description. Find the two objects and the space or action linking them.
  2. Explain why keeping both the hand and gift shows their relationship better than keeping only one.
  3. Try the question and all three practice questions before checking their answers.
  4. Draw a hand beside a gift, then mark a crop that retains both and the visible hand-to-gift relation.
  5. Check your work: Both evidence-bearing objects and the relation remain inside the crop; an explanation identifies what would be lost in a one-object crop.
Worked example

See the method in action

An original picture’s claim is supported by the visible relation between hand and gift. Which crop preserves evidence for that relation? Supplied candidates: (A) Crop to an empty corner (B) Keep both hand and gift and the connecting space (C) Keep only gift (D) Keep only hand. Model decision: Keep both hand and gift and the connecting space. The relationship needs both relevant objects plus the visible space or action linking them. A tighter crop may remove irrelevant material, but deleting one of the two evidence-bearing objects prevents the same supported comparison.

Your turn

Check your reasoning

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Helpful tips
  • A crop changes what remains visible.
  • A tighter image can remove distractions but also remove necessary evidence.
An original picture’s claim is supported by the visible relation between eye and telescope. Which crop preserves evidence for that relation?

Feedback appears here after you check. This is practice, not a graded school assessment.

See the answer and explanation

Keep both eye and telescope and the connecting space

The relationship needs both relevant objects plus the visible space or action linking them. A tighter crop may remove irrelevant material, but deleting one of the two evidence-bearing objects prevents the same supported comparison.

Take it further

Try one more question: An original picture’s claim is supported by the visible relation between bird and nest. Which crop preserves evidence for that relation? Supplied candidates: (A) Crop to an empty corner (B) Keep both bird and nest and the connecting space (C) Keep only bird (D) Keep only nest. Answer: Keep both bird and nest and the connecting space. The relationship needs both relevant objects plus the visible space or action linking them. A tighter crop may remove irrelevant material, but deleting one of the two evidence-bearing objects prevents the same supported comparison. Now make your own work: Draw a hand beside a gift, then mark a crop that retains both and the visible hand-to-gift relation. Check your work: Both evidence-bearing objects and the relation remain inside the crop; an explanation identifies what would be lost in a one-object crop.

Nothing here is saved to an account or sent to a teacher. The answer download includes your current choice and any checked feedback. It does not include choices from the separate More practice section. Download that section separately.

More practice: try new cases

Choose an answer for each problem. Explain your method on paper, then use the feedback to decide what to revisit.

More practice: try new cases
1. An original picture’s claim is supported by the visible relation between brush and painted mark. Which crop preserves evidence for that relation?
Need a hint?
  • A crop changes what remains visible.
  • A tighter image can remove distractions but also remove necessary evidence.
2. An original picture’s claim is supported by the visible relation between seed and sprout. Which crop preserves evidence for that relation?
Need a hint?
  • A crop changes what remains visible.
  • A tighter image can remove distractions but also remove necessary evidence.
3. An original picture’s claim is supported by the visible relation between boat and rope. Which crop preserves evidence for that relation?
Need a hint?
  • A crop changes what remains visible.
  • A tighter image can remove distractions but also remove necessary evidence.

Your choices are temporary. Feedback appears after you check all the answers.

Nothing here is saved to an account or sent to a teacher. Keep your own notes or download them before leaving. The score describes these questions; it does not certify subject mastery.

Check the subject sources

These LifeStarter passages, scenarios and exercises are authored for this Academy with AI assistance and review. External resources keep their publishers’ terms. A grade label suggests a starting level; it does not establish alignment with your school’s complete requirements.