SECLeaving CertHigher LevelPaper 12016–2025 · 10 papers analysed

Leaving Cert MathematicsHigher Level · Paper 1
Past Paper Topic Frequency Analysis

We ran a full past paper analysis across 10 SEC Leaving Cert Mathematics Higher Level Paper 1 June papers (2016–2025), identifying which topics appear most frequently, which are overdue, and where to focus your revision for maximum marks.

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2026 Data-Driven Forecast

Based on our analysis of 10 SEC papers, Algebra remains a key area of focus, appearing in 100% of exams. For the 2026 cycle, we have identified 10 high-probability topics that show consistent recurrence patterns. Focus your revision on these core areas to maximize your mark potential.

Verified against 10 official papers
Top topics by frequency (2016–2025)
Algebra
10/10 papershigh
consistent100%
Differentiation
10/10 papershigh
consistent100%
Complex Numbers
8/10 papershigh
consistent80%
Functions8/10 papers
Geometry8/10 papers
Proof by Induction7/10 papers
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17 more topics in the full analysis

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Key insight
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Differentiation: appears in 10/10 papers — guaranteed
Differentiation appears in every paper, averaging 33 marks. Focus on mastering First Principles (5/10 papers) and Tangent and Normal (5/10 papers) as these are the most tested subtopics. Stationary Points and Curve Sketching also appear regularly (5/10 papers).
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Algebra: appears in 10/10 papers — guaranteed
Algebra is another guaranteed topic, appearing in every paper and averaging 30 marks. Prioritize Simultaneous Equations (6/10 papers) and Inequalities (4/10 papers) as key subtopics to focus on.
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Complex Numbers: high priority topic
Complex Numbers appear in 8/10 papers, averaging 28 marks. Focus on De Moivre's Theorem (7/10 papers) as a critical subtopic within this area.

4 more insights in your personalised analysis

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Full topic frequency breakdown
Interactive revision checklist
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Practice questions in exam style
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