PencilGo

Measurement & Geometry

Grade 4 · On-level practice · 10 questions · Version PG-1CH8CDE-CIW8

Free printable
1.Classify a 70° angle.
2.Reflect (8, 2) across the vertical line x = 11.
3.Classify a 170° angle.
4.Reflect (10, 4) across the vertical line x = 14.
5.Classify a 40° angle.
6.Reflect (7, 12) across the vertical line x = 13.
7.Classify a 10° angle.
8.Reflect (17, 13) across the vertical line x = 24.
9.Classify a 100° angle.
10.Reflect (6, 11) across the vertical line x = 11.

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 20
  1. Classify a 70° angle.Acute
  2. Reflect (8, 2) across the vertical line x = 11.(14, 2)
  3. Classify a 170° angle.Obtuse
  4. Reflect (10, 4) across the vertical line x = 14.(18, 4)
  5. Classify a 40° angle.Acute
  6. Reflect (7, 12) across the vertical line x = 13.(19, 12)
  7. Classify a 10° angle.Acute
  8. Reflect (17, 13) across the vertical line x = 24.(31, 13)
  9. Classify a 100° angle.Obtuse
  10. Reflect (6, 11) across the vertical line x = 11.(16, 11)

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.