中文（繁體）
中文（简体）
English
HKDSE M1 Drill Guide: One Paper, 150 Minutes, Section A and B
TUTORZONE EXAM DRILL GUIDE · HKDSE M1 (CALCULUS AND STATISTICS)
M1 is simply assessed: one paper of conventional questions, 100%, 2 hours 30 minutes. The framework states the paper has two sections, all questions compulsory: Section A (50 marks) of 8 to 12 elementary short questions and Section B (50 marks) of 3 to 5 long questions, with statistical tables printed where appropriate.
What is in HKDSE M1?
Direct answer: M1 (Calculus and Statistics) is a single paper of conventional questions worth 100% in 2 hours 30 minutes. The framework states it has two sections with all questions compulsory: Section A (50 marks) of 8 to 12 elementary short questions and Section B (50 marks) of 3 to 5 long questions. There is no SBA.
Assessment at a glance (2027)
| Component | Content | Weighting | Duration |
|---|---|---|---|
| Section A · elementary short questions (50 marks) | The framework sets Section A at 50 marks in 8 to 12 elementary short questions, all compulsory | 50 分 | 55-60 min suggested |
| Section B · long questions (50 marks) | Section B is 50 marks in 3 to 5 long questions, all compulsory | 50 分 | 80-85 min suggested |
With a single paper, time allocation is the whole strategy. The classic failure is a slow Section A and a rushed Section B; deliberately compressing Section A is usually the fastest grade improvement available.
What each paper is actually testing
| Paper | Drill focus | How marks are lost |
|---|---|---|
| Section A · elementary short questions (50 marks) | Target full marks: basic technique and definitions make this the paper’s insurance | Slow on short questions and short of time for the long ones |
| Section B · long questions (50 marks) | Write the formula and the knowns, work in steps, and never skip the final explanatory line | Answers without explanation, and statistical work with no stated assumptions |
How should the 150 minutes be split?
Direct answer: Sections A and B are 50 marks each, so 75 minutes each on paper; in practice compress Section A to 55-60 minutes and give the surplus to Section B (80-85 minutes), plus 10 minutes to check. Reasoning in long questions is harder to estimate, so the buffer belongs to Section B.
Drill order: by topic, then by year, then the mark scheme
| Step | What you do | Why |
|---|---|---|
| 1. By topic | Work through each topic, starting with the paper that allows least help (no calculator / closed book) | Exposes what is genuinely not understood |
| 2. By year | Whole papers to time, one or two a week | Trains pace, stamina and question selection |
| 3. Mark scheme | Go through the marking scheme question by question and log the scoring steps you missed | Most lost marks are written wrong, not thought wrong |
What matters in M1 statistics questions?
Direct answer: three things: state the assumptions (normal, independent), name the distribution and its parameters, and explain the answer rather than giving a bare number. The framework also notes statistical tables are printed where appropriate, so practise reading them fast.
A 12-week drilling timetable
| Week | Phase | What to do |
|---|---|---|
| Weeks 1-3 | By topic: foundation | Topic by topic, starting with the easiest marks, building habits and recall |
| Weeks 4-6 | By topic: core | 8-10 years of the same topic back to back, errors classified by topic |
| Weeks 7-8 | By topic: advanced and electives | Elective and higher-order topics, now under time pressure |
| Weeks 9-10 | By year: timed papers | One full paper a week, timed, no reference materials |
| Week 11 | Mark scheme work | Question by question against the marking scheme; list the scoring steps you omitted |
| Week 12 | Plug holes and simulate | Only the recurring errors from your log, then one full exam simulation |
Subject-specific weighting for this timetable: One full 150-minute timed paper a week, with the remaining time spent on one or two question types per week.
Use it properly: this is not a checklist to finish. Every week must keep time for redoing errors, or from week 9 you will be repeating the same batch.
Pacing
| Paper | Time | Suggested split |
|---|---|---|
| Section A · elementary short questions (50 marks) | 建議 55–60 分鐘 | About 5 min per question |
| Section B · long questions (50 marks) | 建議 80–85 分鐘 | 20-25 min per question; 10 min checking |
Can M1 be improved by drilling?
Direct answer: Yes, and usually a lot. M1’s question types repeat heavily – applications of differentiation, integration techniques, probability distributions, confidence intervals and hypothesis testing – and after eight to ten years of questions most candidates see how little the coverage varies. Reduce each type to a fixed routine.
The drilling mistakes that cost the most marks
| Mistake | What it looks like | What actually happens | Instead |
|---|---|---|---|
| Over-spending on Section A | Chasing every short question | Section B is 50 marks and suffers | Keep Section A to 55-60 min, flag and skip hard items |
| No assumptions in statistics | Writing the answer directly | Inference marks include assumptions and explanation | Assumptions, distribution, calculation, explanation |
| Drilling without cataloguing | Moving on after each paper | M1 repeats heavily, so cataloguing pays | One page of fixed steps per question type |
The error log and the mark scheme
File by question type (applications of differentiation, integration techniques, distributions, confidence intervals, hypothesis testing) and tag each entry: concept, calculation or presentation.
How many years should you drill?
M1 has been examined since 2012 and every past paper fits the current syllabus; with less time do the latest five fully timed.
How many years of M1 past papers should you drill?
Direct answer: no official figure. M1 has been examined since 2012, so every past paper fits the current syllabus; with less time sit the latest five fully timed, then take earlier years by type: differentiation, integration, probability and statistical inference.
Frequently asked questions
Can M1 and M2 both be taken?
The curriculum allows one extended module alongside the Compulsory Part; taking both follows HKEAA regulations.
Must statistical tables be memorised?
No: the framework prints them where appropriate, but fluency in reading them saves time.
How does M1 relate to the Compulsory Part?
The framework assumes knowledge of the Compulsory Part plus the foundation and non-foundation S1-S3 topics.
Official references
| Resource | What to use it for |
|---|---|
| HKEAA 2027 HKDSE Mathematics Assessment Framework | Confirm M1 as one 100% paper of 2 h 30 min with 50-mark sections |
| https://www.tutorzone.com.hk/en-dse-m1-past-paper-drill-guide/ | Full M1 drilling guide |
More in this series: the full M1 guide · M2 · Compulsory Part
Next step: find a tutor / register as a tutor
After drilling, the hard part is telling a conceptual error from a writing error. Tell us the year group, the school and your available times, and TutorZone will match you with a tutor who knows the HKEAA assessment requirements.
Demand for tutors in this subject is steady, and those who can explain the marking scheme and where marks are won are especially sought after. Register free; you pay only when a match succeeds.
