How to Make a Cheat Sheet for an Exam (That Works)

A cheat sheet is a single page of the most important material you need for an exam — formulas, definitions, processes, and common mistakes — distilled from everything you have studied. Done properly, building one forces you to decide what actually matters, which is itself one of the most effective revision techniques available. If you are studying around a job, that constraint is useful: you do not have time to re-read every lecture, so the process of making the sheet does most of the learning for you.

Start With Your Source Material, Not a Blank Page

The biggest mistake students make is opening a blank document and trying to remember what to write. Instead, gather every resource first: lecture slides, your own notes, past paper mark schemes, and the unit's learning outcomes. Read through each one and highlight anything that has appeared in assessments before, anything your lecturer flagged as important, and any concept you personally keep getting wrong.

Once you have those highlights, you have a raw list. A cheat sheet is not that list — it is the compressed version of it. Your job now is to cut ruthlessly. If two items are closely related, combine them into one line. If something is on the list only because it appeared once in a slide, cut it unless the mark scheme used it as a key term.

How to Make a Good Cheat Sheet for an Exam

Good cheat sheets share three qualities: they are scannable, they are accurate, and they contain nothing redundant.

Scannable means using a clear visual hierarchy. Put major topic headings in bold or capitals. Use short bullet points rather than sentences. Leave white space between sections so your eye can jump directly to what it needs under exam pressure. A dense block of text is not a cheat sheet — it is just small notes.

Accurate means every formula, definition, and rule has been verified against the original source, not recalled from memory. Errors copied onto a cheat sheet get memorised as facts. Check each entry against your lecture notes or textbook before it makes the final cut.

Nothing redundant means if you can derive something from another item already on the sheet, leave it off. Every line should earn its space.

If your course allows you to bring a physical sheet into the exam, handwrite the final version. The act of handwriting consolidates memory in a way that typing does not, and students who handwrite reference sheets consistently report needing to look at them less during the actual exam.

How to Make a Cheat Sheet for a Math Exam

Math cheat sheets follow the same principles but have a specific structure that works well:

1. Formulas with conditions — write the formula and immediately below it note when it applies and when it does not. For example, write the quadratic formula, then note it requires the equation to equal zero first.
2. Worked example skeletons — one stripped-down example showing the method, not the numbers. This is more useful than a formula alone because it shows the sequence of steps.
3. Unit and sign pitfalls — a short column of common errors: sign errors, forgetting to convert units, dividing instead of multiplying. These are the marks most students drop.
4. Key theorems with their names — if the mark scheme expects you to name a theorem, list it explicitly.

Organise the sheet by topic or by exam section, whichever maps more directly to how the paper is structured. If the exam has a section on integration and a section on probability, mirror that layout so you can navigate under time pressure.

How to Make the Best Cheat Sheet for an Exam

The best cheat sheet is one built iteratively, not in a single sitting. Here is a process that fits around a work schedule:

• Session one (30 minutes): Read through all source material and highlight key items. Do not write the sheet yet.
• Session two (45 minutes): Write a draft from memory, then open your highlights and add anything you missed. Gaps between what you recalled and what you highlighted are your weak areas.
• Session three (20 minutes): Cut the draft to one page. This forces prioritisation.
• Session four (15 minutes): Do a practice exam with the sheet beside you. Any item you did not use or could not find quickly gets removed or repositioned.

This four-session approach spreads the cognitive load across a week and means you have tested the sheet before the actual exam. You are not hoping it works — you know it does.

If your university uses Kora, the platform's cheat sheet feature builds a one-page summary of formulas, definitions, and common pitfalls directly from your uploaded notes and lecture PDFs, which gives you a strong starting draft to edit rather than starting from scratch.

How to Make a Cheat Sheet for an Exam Online

If your exam is digital, or if you simply prefer building your sheet on a screen, a few tools and approaches work well:

• Google Docs or Word with a two-column table layout: topic on the left, key content on the right. Borders off, font size 10pt, margins narrow.
• Notion or Obsidian if you already keep your notes there — create a filtered view that pulls only items tagged as high-priority.
• A spreadsheet for math-heavy subjects, where you can use formula formatting and keep columns aligned cleanly.

Regardless of the tool, set a page limit before you start — one A4 page at 10pt font is the standard constraint. If your exam permits a digital reference, check the rules carefully: some allow a PDF but restrict editing during the exam, which means the sheet must be complete before you enter the room.

For online or self-paced exams where you build the sheet from scattered digital notes, the main challenge is consolidation. Upload everything to one place first, extract the high-priority content, then compress it. Jumping between tabs or apps while trying to write the sheet wastes the limited study time you have between shifts.

FAQ

How do I make a good cheat sheet for an exam if I am short on time?

Prioritise items that appear in past paper mark schemes and in your unit's stated learning outcomes, since these two sources overlap heavily with what examiners actually test. Spend your time compressing those items to one page rather than trying to cover everything.

What should a math exam cheat sheet include?

Include every formula with the conditions under which it applies, a skeleton worked example for each major method, and a short list of the sign or unit errors that commonly lose marks. Keep theorems labelled by name if the mark scheme expects you to identify them.

Can I make a cheat sheet for an exam online using my existing notes?

Yes — gather your notes into one document or platform first, then filter for high-priority content before writing the sheet, rather than writing and researching at the same time. Tools like a two-column table in Google Docs or a dedicated study platform that reads your uploaded material both work well for producing a clean, scannable final page.