Use angle facts
- Identify the angle fact.
- Set up a calculation.
- Include degrees.
Answer: Around a point: 360° - 140° = 220°
📐 Geometry & Measures
Angles
Learn angles with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Angles is part of geometry and appears often in KS3–GCSE maths.
- Use angle facts such as straight line 180° and around a point 360°.
- Use the worked model, help guide, interactive question and flashcards to practise angles until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Angles learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Angles
- Learn the rule: Use angle facts such as straight line 180° and around a point 360°.
- Worked model: Identify the angle fact. Set up a calculation. Include degrees.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
Angles on a straight line add to 180°. One angle is 65°. Find the other.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Angles
BackUse angle facts such as straight line 180° and around a point 360°.
FrontExample answer: Angles on a straight line add to 180°. One angle is 65°. Find the other.
Back180° - 65° = 115°.
FrontCommon check for Angles
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.