MathsYears 4–5Geometry - Properties of Shapes
Angles: acute, obtuse and right angles
Identify acute and obtuse angles; compare and order angles up to 2 right angles
What you'll learn
- 1
Imagine opening a book flat — that's a right angle, like an L shape! 📖
- 2
Which shape looks like a right angle? 🔲
- 3
Drag the protractor to measure this angle — is it a right angle? 📏
- 4
Let's check if this angle is acute, right or obtuse.
- 5
Measure this angle — is it acute, right or obtuse? 🔍
- 6
An obtuse angle is bigger than a right angle. Which of these is obtuse? 🧩
- 7
Which angle is ACUTE? 🧐
Practise Angles: acute, obtuse and right angles with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 8–10. Aligned to the UK National Curriculum.