Back to subject papers

0606 · Cambridge IGCSE

0606/21

Calculator

Mathematics Additional · June 2023 · Variant 1

Relative difficulty

Standard · 3.4/5

Analysis source: Cambridge Assessment International Education

Analysis aligned to the official syllabus and assessment design.

Relative difficulty

3.4 / 5

Total marks

160

Duration

240 min

Most tested topic

Calculus

Cohort performance

Session statistics from official examination reports

Total marks

160

Duration

240 min

Session difficulty

3.4 / 5

Key examiner messages

Top priorities from the principal examiner before you revise

1

The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus.

2

Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded not only a robust grasp of theoretical concepts but also high accuracy in algebraic manipulation and clear, structured communication.

3

The overall difficulty is rated at 3.4 out of 5, representing a balanced paper with several challenging multi-step problems designed to differentiate the top-tier candidates.

Question difficulty map

How candidates performed on each question in this series

No data available in official reports

Assessment objectives

Skill and AO weighting from official examiner commentary

Algebraic Manipulation7
Trigonometric & G5
Calculus Application4
Graphical/ Interpretation2

Skill weighting

Shows the skill mix this paper tested most heavily.

Algebraic ManipulationAlgebraicManipulationTrigonometric & GTrigonometric &GCalculus ApplicationCalculusApplicationGraphical/ InterpretationGraphical/Interpretation
SkillWeightShare
  • Algebraic Manipulation

    Weight: 7100%
  • Trigonometric & G

    Weight: 571%
  • Calculus Application

    Weight: 457%
  • Graphical/ Interpretation

    Weight: 229%

Method marks watchlist

Where working, steps, or method marks were commonly lost

No data available in official reports

Recurring mistakes across years

Themes examiners flag in multiple recent sessions for this subject

No data available in official reports

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

No data available in official reports

Grade & admission context

How marks relate to grade thresholds and entry standards

Report type

Cambridge Principal Examiner Report — component performance and international standards

Level A*

Approx. 84% of maximum mark

Level A

Approx. 68% of maximum mark

Level B

Approx. 47% of maximum mark

Level C

Approx. 26% of maximum mark

Level D

Approx. 19% of maximum mark

Level E

Approx. 12% of maximum mark

Deep insights

What top candidates did

Techniques and approaches examiners rewarded in this series

No data available in official reports

Command word playbook

How to match each command word to the expected response style

FindFrequency: 18

Match the expected response style for “Find” questions.

CalculateFrequency: 6

Show formula, substitution, and unit; method marks need visible working.

ShowFrequency: 6

Match the expected response style for “Show” questions.

ProveFrequency: 2

Match the expected response style for “Prove” questions.

SketchFrequency: 4

Match the expected response style for “Sketch” questions.

SolveFrequency: 6

Match the expected response style for “Solve” questions.

StateFrequency: 12

Match the expected response style for “State” questions.

Time traps

Sections where candidates spent disproportionate time relative to marks

Paper 11 Section A60m / 40 marks

Min per mark: 1.5

Paper 11 Section B60m / 40 marks

Min per mark: 1.5

Paper 21 Section A60m / 40 marks

Min per mark: 1.5

Syllabus traceability

Topics linked to questions and mark weighting in this session

Calculus

28 marks this session

Trigonometry

23 marks this session

Series

18 marks this session

MCQ trap analytics

Commonly chosen wrong options from examiner commentary

No data available in official reports

Topic heatmap across years

Mark concentration by topic and exam year for this subject

Mark intensity

LowHigh
Topic
2023
2024
2025
Σ

Calculus (Additional Mathematics)

47
38
85

Series (Additional Mathematics)

17
23
40

Trigonometry (Additional Mathematics)

21
18
39

Calculus

28
28

Trigonometry

23
23

Series

18
18

Difficulty trend

How session difficulty has shifted across recent years

202320242025
2023 June 2023 · 3.4/52024 June 2024 · 3.5/52025 June 2025 · 3.8/5

Paper comparison

Marks and duration breakdown across papers in this session

Paper 11:

80 marks120 min

Paper 21:

80 marks120 min

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

Self-diagnostic checklist

Key actions before you sit this paper — copy and tick off as you revise

  • 1Message

    The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus.

  • 2Message

    Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded not only a robust grasp of theoretical concepts but also high accuracy in algebraic manipulation and clear, structured communication.

  • 3Message

    The overall difficulty is rated at 3.4 out of 5, representing a balanced paper with several challenging multi-step problems designed to differentiate the top-tier candidates.

Teacher briefing pack

One-page session summary for tutors and classroom review

June 2023 2023

Mathematics Additional

The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus. Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded n

  • The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus.

  • Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded not only a robust grasp of theoretical concepts but also high accuracy in algebraic manipulation and clear, structured communication.

  • The overall difficulty is rated at 3.4 out of 5, representing a balanced paper with several challenging multi-step problems designed to differentiate the top-tier candidates.

Total marks
160
Duration
240 min
Session difficulty
3.4 / 5

Session analysis

The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus. Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded not only a robust grasp of theoretical concepts but also high accuracy in algebraic manipulation and clear, structured communication. The overall difficulty is rated at 3.4 out of 5, representing a balanced paper with several challenging multi-step problems designed to differentiate the top-tier candidates.

Updated Jun 13, 2026

Paper breakdown

Paper 11:

80 marks120 min

Paper 21:

80 marks120 min

Top chapters

Calculus28 marks
Trigonometry23 marks
Series18 marks

Exam structure insights

Marks by chapter

See where the marks were concentrated so revision time goes to the highest-value topics.

Quadratic functions10 marks
Factors of polynomials9 marks
Straight-line graphs7 marks
Trigonometry23 marks
Permutations and combinations7 marks
Calculus28 marks
Series18 marks
Logarithmic and exponential fun11 marks

Mark accessibility

Estimate which marks were basic, mid-level, or high-difficulty.

75% within easy or medium reach

55
65
40
Easy: 55 marksMedium: 65 marksHard: 40 marks

Command word frequency

Spot common command words so answers match the expected response style.

Find18 times
Calculate6 times
Show6 times
Prove2 times
Sketch4 times
Solve6 times
State12 times

Question type mix

Compare the mark share of each paper section and question type.

160Marks
  • Structured/Multi-part

    80·18·50%

  • Problem Solving/Proof

    55·11·34%

  • Short Answer

    25·12·16%

Study ROI

Bigger bubbles recur more often; higher bubbles carry more marks, helping you rank revision priorities.

DifficultyRecurrence %TrigonometryCalculusSeriesFunctionsQuadratic functions

Time vs marks

Compare marks with suggested time allocation to plan exam pacing.

MarksMinutesMarks / min

Paper 11 Section A

0.67 m/min
40
60

Paper 11 Section B

0.67 m/min
40
60

Paper 21 Section A

0.67 m/min
40
60

Total marks

120

Total time

180 min

Avg pace

0.67

Next-year prediction

Topics worth watching next year, with the reason shown directly below each bar.

Vectors in two dimensions

90%

90%

Circular measure

88%

88%

Simultaneous equations

85%

85%

Paper analysis

The May/June 2023 series for Additional Mathematics (0606) offered a comprehensive and rigorous assessment of candidates' mathematical capabilities across the entire syllabus. Comprising Paper 11 and Paper 21, each carrying 80 marks with a duration of 2 hours, the exam demanded not only a robust grasp of theoretical concepts but also high accuracy in algebraic manipulation and clear, structured communication. The overall difficulty is rated at 3.4 out of 5, representing a balanced paper with several challenging multi-step problems designed to differentiate the top-tier candidates.

Exam tips

Paper format

Duration
2h
Total marks
80
Weighting
50%
Question types
Short Answer (1-3 marks), Medium Structured (4-6 marks), Long Structured (7-9 marks)

Analysis is paraphrased for study purposes. Always verify against the official examiner report and mark scheme.

0606/21 — Cambridge IGCSE Mathematics Additional (June 2023) | Revui