Angles (Year 5)

Identify, compare and measure acute, right, obtuse and reflex angles.

The questions below are generated to match the National Curriculum for Year 5 and get harder as you progress from Rookie to Guru.

Worked examples

RookieRead and interpret directly.

Triangle angle sum?

  • 180°
  • 360°
  • 90°
  • 270°

Answer: 180°. Triangle = 180°.

ProCompare and infer.

Which shape has 2 pairs of parallel sides?

  • Parallelogram
  • Trapezium
  • Triangle
  • Pentagon

Answer: Parallelogram. Parallelogram: 2 pairs.

GuruMulti-step reasoning.

Each interior angle of a regular n-gon is 144°. What is n?

  • 10
  • 8
  • 12
  • 6

Answer: 10. Exterior 36°; 360/36 = 10.

Related skills

Frequently asked questions

What is angles?
Identify, compare and measure acute, right, obtuse and reflex angles.
How can my child practise angles at home?
Work through the examples below, then start a free adaptive session. Northstar adjusts the difficulty automatically and tracks mastery over time.

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