Past paper solver
Every mark explained, for free
Past papers, one question at a time. Mark each part against the mark scheme and see where every mark comes from. No sign-in needed.
How it works
Sit it, then mark it like an examiner
You do the paper. The solver shows you how it would be marked.
01
Pick a paper
See the marks, the time allowed and the grade thresholds. Then choose how to sit it.
- Practice: the mark scheme whenever you want it
- Timed: the paper's time limit, with the mark scheme locked until you submit
- The question paper as a PDF, to print
mathtankbysalman.com/past-papers/9709/…
02
Work it on paper
One question at a time, exactly as printed. Write your working by hand, as you will in the exam.
- Tap any question to enlarge it
- Type your final answer on a maths keyboard
- Checked at once in practice, or all together when a timed paper ends
mathtankbysalman.com/past-papers/9709/…
03
Mark it like an examiner
Every mark for the part, each with what earns it. Tick the ones you got.
- Tap a code (M, A, B, FT) to see what it means
- A right answer ticks its marks for you
- Untick any your working doesn't show
mathtankbysalman.com/past-papers/9709/…
04
Learn from the explanation
A worked solution under every part, step by step against the mark scheme.
- Each step with the mark it earns
- Common mistakes, from the examiner reports
- The official mark scheme, open at the right page
mathtankbysalman.com/past-papers/9709/…
Your result
A grade, and where the marks went
Your score, percentage and grade, against that session's grade thresholds.
- Marks lostBy question
- Marks lostMethod or accuracy
- Marks lostBy topic
Then review every part, or try the paper again.
Sign in to save
See yourself improve, paper by paper
No account needed to start. Sign in with Google to save every attempt.
Every attempt, kept
Saved as you go. Start on your phone, finish on your laptop.
Your progress
Scores over time, your weakest topics, and method against accuracy marks.
A one page report
Your progress as a PDF, for you, your teacher or your parents.
For enrolled students
Stuck on a part? Ask your teacher
Send photos of your working on any part. The reply comes as text, photos or a voice note.
Follow-ups on the same part stay in one thread.
Enrol to ask your teacherThe details
Made for revising, not just reading
Works on your phone
Full-width questions and an on-screen maths keyboard.
A keyboard for maths
/ for a fraction, ^ for a power, pi and sqrt by name.
Zoom any question
Tap for full size, pinch for more.
Picks up where you left off
Your ticks, answers and clock survive a closed tab.
Sound you can mute
A chime when you're right. One tap to turn it off.
A tour on your first paper
Replay it any time from the ? button.
Questions
Common questions
Is it free?
Yes. Every paper, mark scheme and explanation, with no sign-in. Signing in is free too.
Which papers are there?
AS & A Level Mathematics (9709): Papers 1 and 3, from 2020 to 2026. More are on the way.
Where is my work kept if I don't sign in?
In this browser. Sign in and press Save on the results to move it to your account.
Can I sit a paper under exam conditions?
Yes. Choose Timed: the paper's time limit, the mark scheme locked, and your answers checked at the end.
Where do the questions come from?
They are the official past paper questions and mark schemes, reproduced for revision. The explanations are ours, and the common mistakes come from the examiner reports.
Past paper questions and mark schemes © Cambridge University Press & Assessment, reproduced for revision.
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