IGCSE附加数学0606分数线解析｜2018年11月 Grade Thresholds

📊 Cambridge IGCSE Additional Mathematics (0606) — November 2018 Grade Thresholds

Every IGCSE exam season, Cambridge International releases grade thresholds — the minimum marks needed to achieve each grade. Understanding these numbers helps you set realistic targets and strategise your revision. Below we break down the November 2018 thresholds for IGCSE Additional Mathematics (Syllabus 0606).

中文导读 / Chinese Summary

本文详解2018年11月剑桥 IGCSE 附加数学 (0606) 的分数线（Grade Thresholds）。了解每个等级所需的最低原始分数，可以帮助你设定目标、优化备考策略。以下是从官方数据中提炼的关键信息。

🎯 Key Points / 核心要点

1. Three Variants, Three Difficulty Levels / 三套试卷，三种难度

Cambridge offers three paper variants (11/12/13 for Paper 1, 21/22/23 for Paper 2). The November 2018 thresholds reveal clear differences:

• Component 13 required 70/80 for an A — the highest bar among Paper 1 variants.
• Component 11 needed only 66/80 for an A — slightly more accessible.
• For Paper 2, Component 23 again had the highest threshold at 69/80, while 21 and 22 tied at 66/80.

This means the variant you sit matters — some versions are compensated with lower grade boundaries.

2. A* Does Not Exist at Component Level / 单卷不存在A*等级

Cambridge states explicitly: “Grade A* does not exist at the level of an individual component.” A* is awarded only at the syllabus level, after weighting both papers. For 0606, the maximum total weighted mark is 160. To secure an A* overall, you typically need 140–149 out of 160, depending on your variant combination.

3. Overall A* Thresholds / 综合A*分数线

The three option combinations and their A* boundaries:

• AX (11+21): 146/160 → 91.25%
• AY (12+22): 145/160 → 90.625%
• AZ (13+23): 149/160 → 93.125%

Notice how AZ (which had harder individual components) actually had the highest overall A* boundary — the weighting formula can produce counterintuitive results.

4. The Gap Between Grades / 等级之间的分差

The drop-off between grades is steep. In combination AX:

• A* → A: 14 marks (146 → 132)
• A → B: 37 marks (132 → 95)
• B → C: 37 marks (95 → 58)

The A-to-B gap is massive — nearly a quarter of the total marks. Missing an A doesn’t mean you barely missed it; it can mean a significant shortfall.

5. What Does “E” Really Mean? / E等级的真实含义

In combination AX, an E grade required just 35/160 (21.9%). While nobody aims for an E, it’s worth knowing the safety net. The D threshold was 46/160 (28.75%) — still under 30%.

📝 Study Advice / 学习建议

Aim for consistency across both papers. The weighting system means a weak Paper 2 can drag down a strong Paper 1. Since Paper 2 (Component 2X) tests problem-solving and application, allocate extra practice time there — it carries equal weight but often catches students off guard.

Target 85%+ raw on each component if you want an A*. At 85% raw, you’re at roughly 68/80 per paper, which gives you a comfortable A* margin after weighting.

Use past grade thresholds as calibration. When you do a past paper under timed conditions, check your raw score against the relevant threshold to gauge where you actually stand — not just your percentage.

📞 联系方式 / Contact

需要IGCSE附加数学辅导？欢迎联系：16621398022（同微信）

Need IGCSE Additional Math tutoring? Contact: 16621398022 (WeChat)