MATHEMATICS · 2021
Mathematics
Official KICE examination materials and examiner commentary for Mathematics (2021). Refer to the board portal for the latest published reports.
Source: KICE
Cohort performance
Session statistics from official examination reports
No data available in official reports
Key examiner messages
Top priorities from the principal examiner before you revise
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Question difficulty map
How candidates performed on each question in this series
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Assessment objectives
Skill and AO weighting from official examiner commentary
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Method marks watchlist
Where working, steps, or method marks were commonly lost
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Recurring mistakes across years
Themes examiners flag in multiple recent sessions for this subject
Calculus: Missing endpoint checks after finding critical points. — Write endpoints and stationary points in one table before comparing va…
Functions: Solving algebraically without respecting the domain. — Write the domain beside the function before any manipulation.
Short answer: Carrying a sign or fraction error into the final integer. — Recalculate the final two lines independently before marking.
Elective: Switching strategies mid-question and losing track of assumptions. — State the theorem or distribution being used before calcul…
Pacing: Spending too long on a high-number item because it looks familiar. — Set a hard stop and return only after all accessible questio…
Question choice intelligence
Mean scores and popularity for optional questions (HKDSE electives)
No data available in official reports
Level exemplars
What candidate scripts at each grade level looked like
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Grade & admission context
How marks relate to grade thresholds and entry standards
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Deep insights
What top candidates did
Techniques and approaches examiners rewarded in this series
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Command word playbook
How to match each command word to the expected response style
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Time traps
Sections where candidates spent disproportionate time relative to marks
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Syllabus traceability
Topics linked to questions and mark weighting in this session
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MCQ trap analytics
Commonly chosen wrong options from examiner commentary
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Topic heatmap across years
Mark concentration by topic and exam year for this subject
Mark intensity
Common Mathematics II: limits, differentiation, integration, function analysis
Common Mathematics I: functions, exponential/logarithmic functions, trigonometry, sequences
Elective: Calculus, Geometry, or Probability and Statistics
Difficulty trend
How session difficulty has shifted across recent years
Paper comparison
Marks and duration breakdown across papers in this session
No data available in official reports
Marks you can still earn
Where valid approaches outside the mark scheme may still gain credit
No data available in official reports
Practise what examiners flagged
Target weak topics from this report inside the Revui app
No data available in official reports
Self-diagnostic checklist
Key actions before you sit this paper — copy and tick off as you revise
- 1Pitfall
Calculus: Missing endpoint checks after finding critical points. — Write endpoints and stationary points in one table before comparing va…
- 2Pitfall
Functions: Solving algebraically without respecting the domain. — Write the domain beside the function before any manipulation.
- 3Pitfall
Short answer: Carrying a sign or fraction error into the final integer. — Recalculate the final two lines independently before marking.
- 4Pitfall
Elective: Switching strategies mid-question and losing track of assumptions. — State the theorem or distribution being used before calcul…
- 5Pitfall
Pacing: Spending too long on a high-number item because it looks familiar. — Set a hard stop and return only after all accessible questio…
Teacher briefing pack
One-page session summary for tutors and classroom review
2021 2021
Mathematics
Official KICE examination materials and examiner commentary for Mathematics (2021). Refer to the board portal for the latest published reports.
Calculus: Missing endpoint checks after finding critical points. — Write endpoints and stationary points in one table before comparing va…
Functions: Solving algebraically without respecting the domain. — Write the domain beside the function before any manipulation.
Revui has indexed this report from the official exam board. Open the original examiner report for full comments on candidates' performance. Curated charts and pitfalls for this series are coming soon.
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