Maths
Acute, Obtuse & Right Angles
Identify acute and obtuse angles and compare and order angles up to two right angles by size.
MathsAge 9+25 minutes
What this topic covers
- Classify angles as acute (less than a right angle), right, or obtuse (between one and two right angles).
- Order a set of angles by size without measuring.
- Identify the angles inside triangles and quadrilaterals by type.
Core concept summaries
Key ConceptsThree KindsOrdering by SizeAngles in Shapes; the Straight-Line Trap
Practice formats pupils may meet
NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.
clozematchingquiz