# Study guides for past-paper revision

> Practical guides to using past papers, reading mark schemes and choosing between Edexcel IAL and Cambridge 9702.

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Study guides

Short, practical guides on getting more from each paper: how to time it, how to read the mark scheme, and how to turn mistakes into a revision plan.

## For teachers

Build a compilation paper or worksheet, then assign it as homework or an assignment.

- [Teaching tools](https://www.examsci.com/for-teachers/) — Overview — How custom papers and task assignment fit together.
- [Custom paper builder](https://www.examsci.com/for-teachers/custom-papers/) — Build — Assemble a compilation paper or worksheet, override marks, and publish a paper.
- [Task assignment](https://www.examsci.com/for-teachers/task-assignment/) — Assign — Assign homework or an assignment, choose recipients, and track marked-question progress.
- [Worked example paper](https://www.examsci.com/for-teachers/example-custom-paper/) — Example — A 10-question, 75-mark paper built from free past papers, with one custom mark.

## All guides

- [Difficulty and complexity measures](https://www.examsci.com/guides/difficulty-and-complexity-measures/) — Reference — How the five paper measures are defined, calculated and checked against a real paper.
- [How to use past papers effectively](https://www.examsci.com/guides/how-to-use-past-papers-effectively/) — 7 min read — A practical routine for using A-Level past papers: timed attempts, mark-scheme review, error classification and spaced re-runs.
- [How to revise using mark schemes](https://www.examsci.com/guides/how-to-revise-using-mark-schemes/) — 6 min read — Learn how examiners award method and accuracy marks, how to read a mark scheme, and how to turn it into a revision checklist.
- [Edexcel IAL vs Cambridge 9702](https://www.examsci.com/guides/edexcel-ial-vs-cie-9702/) — 8 min read — Compare Edexcel International A-Level Physics and Cambridge 9702: structure, paper formats, marking style and how to choose past papers.
- [How to build a custom paper or worksheet](https://www.examsci.com/guides/how-to-build-a-custom-paper/) — 8 min read — A five-step teacher workflow for building a custom paper (compilation paper or worksheet): choose the scope, add questions, set marks, publish and assign.
- [How to assign past papers as homework](https://www.examsci.com/guides/assign-past-papers-as-homework/) — 8 min read — A five-step teacher workflow for assigning past papers as homework (a task): pick papers, set dates, choose students or a group, and read the progress report.

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