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Measurement & Geometry

Grade 4 · On-level practice · 10 questions · Version PG-1AJ7Z0M-CIW8

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1.Classify a 110° angle.
2.Reflect (3, 1) across the vertical line x = 7.
3.Classify a 40° angle.
4.Reflect (12, 3) across the vertical line x = 17.
5.Classify a 10° angle.
6.Reflect (19, 4) across the vertical line x = 24.
7.Classify a 130° angle.
8.Reflect (16, 9) across the vertical line x = 20.
9.Reflect (16, 6) across the vertical line x = 20.
10.Reflect (7, 9) across the vertical line x = 9.

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 11
  1. Classify a 110° angle.Obtuse
  2. Reflect (3, 1) across the vertical line x = 7.(11, 1)
  3. Classify a 40° angle.Acute
  4. Reflect (12, 3) across the vertical line x = 17.(22, 3)
  5. Classify a 10° angle.Acute
  6. Reflect (19, 4) across the vertical line x = 24.(29, 4)
  7. Classify a 130° angle.Obtuse
  8. Reflect (16, 9) across the vertical line x = 20.(24, 9)
  9. Reflect (16, 6) across the vertical line x = 20.(24, 6)
  10. Reflect (7, 9) across the vertical line x = 9.(11, 9)

Worked example

Sketch and label the quantities before selecting a measurement or geometry operation.

Common mistake

Using the right numbers with the wrong unit or formula.

Helpful hint

Write the unit beside every measurement.