---
title: "Cambridge IGCSE Maths: Two Papers, But Which Two?"
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updated: 2026-08-21
section: "Answers › Cambridge IGCSE Maths: Two Papers, But Which Two?"
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# Cambridge IGCSE Maths: Two Papers, But Which Two?
> **Answer.** Cambridge IGCSE Mathematics 0580 has two papers per candidate, but which two depends on the route. Core candidates sit Paper 1 and Paper 3 — 1 hour 30 minutes and 80 marks each. Extended candidates sit Paper 2 and Paper 4 — 2 hours and 100 marks each. Both papers count 50%.
## Two routes, four paper numbers
The confusion in this question comes from the numbering. There are four paper numbers in the syllabus but no candidate sits four papers. Papers 1 and 3 belong to the Core route; Papers 2 and 4 belong to the Extended route. A student sits one pair or the other, never a mixture.
Each route pairs one non-calculator paper with one calculator paper, and the two halves of a route are equal in weight. Note that the Extended papers are longer and carry more marks than the Core ones, so the two routes are not the same exam sat at different levels — they are different papers written for different candidates.
- Core — Paper 1, non-calculator, 1 hour 30 minutes, 80 marks, 50%
- Core — Paper 3, scientific calculator, 1 hour 30 minutes, 80 marks, 50%
- Extended — Paper 2, non-calculator, 2 hours, 100 marks, 50%
- Extended — Paper 4, scientific calculator, 2 hours, 100 marks, 50%
## The ceiling is the decision, not the difficulty
Core candidates are eligible for grades C to G. Extended candidates are eligible for grades A* to E. That single line settles most route arguments before they start: a student who needs a B for a sixth form place cannot get one from the Core papers however well they perform.
It cuts the other way too. Entering a student for Extended who is realistically working at a grade D exposes them to two hours of questions they cannot start, and the E floor is a hard floor. Cambridge's own guidance frames Core as the route for candidates expected to achieve a grade D or below.
## What changed in 2025, and why old past papers mislead
From the 2025 series, Cambridge restructured the assessment so that one paper at each tier is a dedicated non-calculator paper. On Extended, Paper 2 became that paper and grew to 100 marks; Paper 4 became the single calculator paper, also at 100 marks.
This makes a large stock of past papers structurally wrong for a current candidate. A 2023 Extended Paper 2 was a short calculator paper; a 2026 Extended Paper 2 is a two-hour paper sat without one. Students revising from an older bank are practising the right mathematics under the wrong conditions, which is the sort of mistake that only shows up in the exam hall.
## What two papers does to a revision plan
Half the qualification per sitting changes the risk profile. There is no third paper to recover on, so stamina matters: a student who has never written mathematics continuously for two hours will fade in the last twenty minutes of Paper 4, where the highest-tariff questions usually sit.
We build towards that deliberately in our IGCSE programme — full two-hour papers under timed conditions from the spring term, not question sets. The mathematics is rehearsed all year; the endurance has to be rehearsed separately, and it takes about six sittings before the last section stops being weaker than the first.
The other consequence is scheduling. Two papers means two dates to plan around rather than three, and they usually fall within the same few weeks of the series, so there is less room to repair a topic between them than a GCSE candidate has.
## What changes the answer
- The route decides the papers and the grade ceiling: Core is eligible for grades C to G, Extended for A* to E.
- Cambridge IGCSE (9–1) Mathematics 0980 is the same syllabus with numeric grades, sat mainly by candidates who need grades a UK institution will read directly.
- Cambridge International Mathematics 0607 is a different syllabus entirely and sets three papers per route, not two.
- Papers sat before the 2025 series had a different structure, so past papers older than that do not match the exam a current candidate will sit.
## Figures
- **50%** — Weighting of each 0580 paper, at both Core and Extended [1]
- **2025** — The series from which one paper at each tier became a dedicated non-calculator paper [1]
## Questions
### Can a student sit both Core and Extended papers?
No. A candidate is entered for one route and sits that route's pair. Schools sometimes decide late, and the entry can usually be amended before the board's deadline, but on the day it is either Papers 1 and 3 or Papers 2 and 4.
### How many papers does Cambridge International Mathematics 0607 have?
Three per route, not two: Core candidates sit Papers 1, 3 and 5, and Extended candidates sit Papers 2, 4 and 6. The final paper in each set is an investigation, and a graphic display calculator is required for the calculator and investigation papers. It is a genuinely different qualification from 0580.
### Is 0580 the same exam as 0980?
Same syllabus and same paper structure; different grading scale. 0580 reports A* to G and 0980 reports 9 to 1. Schools choose the code, usually based on where their leavers apply, so a family expecting numeric grades should check the entry code well before results day.
### Which paper is worth more?
Neither. Both papers in a route carry 50%, so the non-calculator paper decides exactly as much as the calculator one. Students consistently under-prepare for the non-calculator paper because it looks shorter on the syllabus page; at Extended it is two hours and 100 marks, the same as the other.
## Sources
1. Cambridge IGCSE Mathematics 0580 — Cambridge Assessment International Education. https://www.cambridgeinternational.org/programmes-and-qualifications/cambridge-igcse-mathematics-0580/ (accessed 2026-08-21)
2. Cambridge IGCSE International Mathematics 0607 — Cambridge Assessment International Education. https://www.cambridgeinternational.org/programmes-and-qualifications/cambridge-igcse-international-mathematics-0607/ (accessed 2026-08-21)
3. Cambridge IGCSE (9–1) Mathematics 0980 — Cambridge Assessment International Education. https://www.cambridgeinternational.org/programmes-and-qualifications/cambridge-igcse-mathematics-9-1-0980/ (accessed 2026-08-21)
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