Maths

Degrees, Reflex Angles & Estimating

Know angles are measured in degrees; estimate and compare acute, obtuse and reflex angles.

MathsAge 11+25 minutes

What this topic covers

  • Know a right angle is 90°, a straight line 180°, a full turn 360°.
  • Recognise reflex angles as greater than 180° and less than 360°.
  • Estimate angles by comparing with 90°, 180° and 45°.

Core concept summaries

Key ConceptsDegreesReflex AnglesEstimating; the Reflex Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

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