PencilGo

Measurement & Geometry

Grade 4 · Building confidence · 10 questions · Version PG-1A2FDU8-FMWM

Free printable
1.Classify a 40° angle.
2.Reflect (1, 3) across the vertical line x = 6.
3.Classify a 110° angle.
4.Reflect (14, 8) across the vertical line x = 16.
5.Classify a 20° angle.
6.Reflect (17, 4) across the vertical line x = 23.
7.Classify a 150° angle.
8.Reflect (4, 3) across the vertical line x = 11.
9.Classify a 30° angle.
10.Reflect (7, 4) across the vertical line x = 14.

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 4
  1. Classify a 40° angle.Acute
  2. Reflect (1, 3) across the vertical line x = 6.(11, 3)
  3. Classify a 110° angle.Obtuse
  4. Reflect (14, 8) across the vertical line x = 16.(18, 8)
  5. Classify a 20° angle.Acute
  6. Reflect (17, 4) across the vertical line x = 23.(29, 4)
  7. Classify a 150° angle.Obtuse
  8. Reflect (4, 3) across the vertical line x = 11.(18, 3)
  9. Classify a 30° angle.Acute
  10. Reflect (7, 4) across the vertical line x = 14.(21, 4)

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.