IGCSE Maths Paper 1 (Core) – Exam Strategy
Paper 1 is a non-calculator paper lasting 1 hour 30 minutes with 80 marks. Questions are short-answer and progress from easier to harder. This guide covers exactly how to approach it.
Paper Structure
Paper 1 consists of short-answer questions testing Core content without a calculator. Aim for roughly 1 minute per mark.
Tips
- Read each question twice
- Show all working for method marks
- Attempt every question
Time Management
With 80 marks in 90 minutes, you have just over 1 minute per mark. Do not spend more than 2.5 minutes on a 2-mark question.
Tips
- Skip hard questions and return later
- Leave 5 minutes for checking
- Watch the clock after question 15
Non-Calculator Skills
Without a calculator, you need strong mental arithmetic. Practise long multiplication, division, and fraction operations daily.
Tips
- Know times tables to 12×12
- Memorise common fraction-decimal conversions
- Use estimation to check answers
Key Takeaways
- 1 minute per mark pacing
- Show all working
- Practise mental arithmetic daily
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Frequently Asked Questions
Is Paper 1 new for 2025?
Yes, from 2025 Paper 1 is a non-calculator paper. Previously calculators were allowed on all papers.
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