Grade 12 Maths Exam Guidelines — Everything You Need to Know
Paper structure, mark allocation, formula sheets, time management, and exactly what the DBE expects from you on exam day. Everything in one place so there are no surprises when you sit down to write.
Most Grade 12 students spend months studying Maths content but very little time understanding how the NSC exam itself is structured. That is a mistake. Knowing the rules of the exam — how many marks each topic carries, how much time to spend per question, what the formula sheet does and does not give you — is just as important as knowing the content. This guide covers all of it.
If you want the full strategic study plan alongside these guidelines, read our post on how to pass Grade 12 Maths Paper 1 and our breakdown of the NSC Maths exam format — Paper 1 vs Paper 2.
- The official CAPS exam structure for Grade 12 Maths — both papers
- Mark allocation per topic for Paper 1 and Paper 2
- How long each paper is and how to split your time
- What the NSC formula sheet gives you and what it does not
- The official DBE rules around calculators, showing working, and answer format
- What happens if you run out of time and how to handle it
- Common guideline mistakes that cost students marks before they even start
The Two Papers — What Each One Covers
Grade 12 Mathematics is examined in two separate papers. Both are written in the same exam sitting period but on different days. Each paper is worth 150 marks and counts equally toward your final Maths mark.
Algebra, Calculus and Patterns
- Algebra and equations
- Patterns, sequences and series
- Functions and graphs
- Finance, growth and decay
- Differential calculus
- Probability and counting
Geometry, Stats and Trigonometry
- Euclidean geometry and proofs
- Analytical geometry
- Trigonometry
- Statistics and regression
Mark Allocation Per Topic
Understanding how marks are distributed across topics is one of the most important parts of exam preparation. You cannot afford to spend equal time on every topic — you need to prioritise the ones that carry the most marks. Here is the official CAPS allocation:
Paper 1 Mark Breakdown
| Topic | Marks | Study Guide |
|---|---|---|
| Algebra and equations | 25 ± 3 | Algebra guide |
| Patterns, sequences and series | 25 ± 3 | Sequences guide |
| Functions and graphs | 35 ± 3 | Functions guide |
| Finance, growth and decay | 15 ± 3 | Finance guide |
| Differential calculus | 35 ± 3 | Calculus guide |
| Probability and counting principle | 15 ± 3 | Probability guide |
Paper 2 Mark Breakdown
| Topic | Marks | Study Guide |
|---|---|---|
| Euclidean geometry and proofs | 40 ± 3 | Geometry guide |
| Analytical geometry | 40 ± 3 | Analytical geometry guide |
| Trigonometry | 40 ± 3 | Trigonometry guide |
| Statistics and regression | 20 ± 3 | Statistics guide |
Where most marks are lost on Paper 1: Functions and calculus together carry 70 marks out of 150. If you are weak in either of these two topics, your Paper 1 mark will struggle regardless of how well you do on the rest. Prioritise these two before anything else.
Where most marks are lost on Paper 2: Euclidean geometry, analytical geometry, and trigonometry together carry 120 marks out of 150. Geometry proofs in particular are a significant mark source — read our guide on every theorem and proof you need for Grade 12 Euclidean geometry.
Time Allocation — How to Spend Your 3 Hours
Each paper is 3 hours long for 150 marks. That works out to 1.2 minutes per mark as a rough guide. In practice, you should plan your time more deliberately than that.
Recommended Time Split Per Paper
| Activity | Time | Notes |
|---|---|---|
| Read through the paper | 5 min | Identify easy questions to do first |
| Answer all questions you know well | 90 min | Do not get stuck — move on and come back |
| Return to harder or skipped questions | 55 min | Use your working to earn method marks |
| Check answers and presentation | 30 min | Check units, signs, and rounding |
The biggest time management mistake students make is spending 20 minutes on a single question they are stuck on, then running out of time at the end. If you cannot solve a question after 3 to 4 minutes, put a mark next to it, move on, and return later. You cannot afford to leave easy marks unanswered at the back of the paper because you got stuck early.
The NSC Formula Sheet — What It Gives You
The DBE provides a formula sheet with every Maths paper. Many students do not study this sheet carefully enough before the exam and waste time during the paper searching for formulas they should already know are there — or assuming a formula is on the sheet when it is not.
What IS on the formula sheet
- Finance formulas — simple interest, compound interest, annuities, present value
- Arithmetic and geometric sequence and series formulas
- Derivative rules — definition of derivative, standard rules
- Distance, midpoint, and gradient formulas
- Circle equation in standard form
- Trigonometric identities — compound angle, double angle formulas
- Sine rule and cosine rule
- Area rule for triangles
What is NOT on the formula sheet
- The equation of a straight line — you must know y = mx + c and point-slope form
- Basic trigonometric values — sin 30°, cos 45° etc. — know these by heart
- The quadratic formula — it is on the sheet, but you also need to know how to use it without hunting for it
- Probability formulas — the fundamental counting principle and complement rule must be memorised
- Standard deviation formula — not given, you must know how to use a calculator for this
What to do before the exam: Print or write out the formula sheet and keep it next to you during every past paper session. Practise spotting which formula you need and finding it quickly. On exam day, spending 30 seconds finding a formula instead of 3 seconds costs you time you cannot afford.
Official DBE Rules You Must Know
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Show all working
Method marks are awarded for correct working even if your final answer is wrong. A student who gets the right answer without showing their method can still lose marks. Every step matters — write it down.
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Calculators
A scientific calculator is permitted for both papers. It must be a non-programmable, non-graphical calculator. The Casio fx-82 series is the standard choice used by most South African students. Check that your calculator is approved before exam day — using a disallowed calculator can result in marks being disqualified.
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Rounding
Unless instructed otherwise, round all final answers to two decimal places. Intermediate working should not be rounded — only round at the final step. Premature rounding is one of the most common reasons students lose accuracy marks in finance and calculus questions.
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Answering in pen
All answers must be written in black or blue pen. Pencil is only permitted for diagrams and graphs. Do not write your final answers in pencil — they may not be marked.
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Geometry diagrams
In Euclidean geometry questions, marks are awarded for statements and reasons. You must write both. "Angles on a straight line" is not enough — you must write the statement first, then the reason. This is the single most common source of lost marks in Paper 2 geometry questions.
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Crossing out work
If you cross out working and do not replace it, that working will not be marked. Only cross out something if you are replacing it with corrected working. If you want the marker to ignore part of your answer, cross it out clearly and neatly.
Cognitive Levels — How the DBE Sets Questions
The DBE structures every Maths paper across four cognitive levels. Understanding these levels helps you understand why some questions feel straightforward and others feel unfamiliar even when you know the content.
| Level | Description | % of Paper |
|---|---|---|
| Level 1 — Knowledge | Recall and recognition of facts, formulas, and procedures | 20% |
| Level 2 — Routine procedures | Standard methods applied in familiar contexts | 35% |
| Level 3 — Complex procedures | Multi-step problems, less familiar contexts | 30% |
| Level 4 — Problem solving | Non-routine problems requiring insight and strategy | 15% |
This means 55% of every paper is Level 1 and Level 2 — questions where knowing your content and methods correctly is enough to score. Students who aim for 60% or above should focus on mastering Levels 1 and 2 completely before spending time on the harder questions. For a full strategy on pushing toward distinction, read our guide on how to achieve 90% in Grade 12 Pure Maths.
Common Mistakes That Cost Marks Before the Exam Even Starts
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Not reading the question carefully
Many marks are lost because students answer a different question to the one asked. "Determine" means calculate with working shown. "Prove" means you cannot assume the result. "Hence" means you must use the result from the previous part. These instruction words carry specific meaning in the NSC exam.
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Leaving questions blank
A blank answer scores zero. Even if you cannot complete a question, write down the formula, substitute what you know, and attempt the first step. Method marks are available even for incomplete solutions. Read our post on the 10 most common mistakes in Grade 12 Maths Paper 1 for the full list.
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Not practising under timed conditions
Students who only study content without doing timed past papers consistently run out of time in the actual exam. The pressure of a timer changes how you think and how fast you work. Every past paper should eventually be done under real exam conditions — read our guide on how to use Grade 12 Maths past papers to study.
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Ignoring the mark allocation next to each question
The number in brackets after each question tells you exactly how many steps the marker is looking for. A (4) next to a calculus question means four marks are allocated — that means four distinct steps in your working. If you write two lines and get an answer, you have almost certainly missed two marks.
Exam Day Checklist
- Approved scientific calculator with fresh batteries
- Two or more black or blue pens
- Pencil and ruler for diagrams and graphs
- Geometry set if Paper 2 is being written
- ID document or student card
- Exam timetable confirmed — correct venue and date
- Formula sheet reviewed the night before — know exactly what is on it
- Sleep — at least 7 hours the night before the exam
The exam guidelines are only one part of your preparation. For everything else — topic-by-topic revision, past paper strategy, and a distinction-level approach — read our full guide on how to get a distinction in Grade 12 Maths and our Grade 12 Maths June exam prep guide.
Live lessons. Past papers. Real results.
A-Game Academy teaches Grade 12 Maths online via Zoom with Mr Sawaya — 30 years experience, SACE registered, CAPS and NSC specialist. Small classes, max 15 students. Study notes for every topic.
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