PencilGo

Measurement & Geometry

Grade 4 · On-level practice · 10 questions · Version PG-1LSJQ7M-CIW8

Free printable
1.Classify a 120° angle.
2.Reflect (1, 11) across the vertical line x = 5.
3.Classify a 70° angle.
4.Reflect (2, 6) across the vertical line x = 4.
5.Reflect (3, 4) across the vertical line x = 5.
6.Classify a 160° angle.
7.Reflect (3, 11) across the vertical line x = 9.
8.Reflect (18, 13) across the vertical line x = 24.
9.Classify a 80° angle.
10.Classify a 130° angle.

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 6
  1. Classify a 120° angle.Obtuse
  2. Reflect (1, 11) across the vertical line x = 5.(9, 11)
  3. Classify a 70° angle.Acute
  4. Reflect (2, 6) across the vertical line x = 4.(6, 6)
  5. Reflect (3, 4) across the vertical line x = 5.(7, 4)
  6. Classify a 160° angle.Obtuse
  7. Reflect (3, 11) across the vertical line x = 9.(15, 11)
  8. Reflect (18, 13) across the vertical line x = 24.(30, 13)
  9. Classify a 80° angle.Acute
  10. Classify a 130° angle.Obtuse

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.