📚 CCEA IGCSE Further Mathematics: Unit Test Mock Paper Walkthrough | CCEA IGCSE 进阶数学：单元测试模拟卷解析
This walkthrough analyses a 50-mark Unit Test mock paper for CCEA IGCSE Further Mathematics Unit 1 Pure Mathematics. It works through the key question types, common traps, and mark scheme strategies in bilingual format so you can revise actively.
本解析针对 CCEA IGCSE 进阶数学单元一纯数学的一份 50 分单元测试模拟卷。文章以双语形式梳理核心题型、常见陷阱和评分标准策略，帮助同学们高效复习。
1. Unit Overview and Mark Allocation | 单元概览与分值分配
The mock paper follows the structure of a typical CCEA Unit 1 Pure test: 45 minutes, 50 marks, with topics grouped as shown below.
模拟卷按照 CCEA 单元一纯数学的常见结构设计：45 分钟，50 分，题目分布如下表所示。
| Topic | Marks |
|---|---|
| Surds, indices and algebraic fractions | 12 |
| Quadratics and the discriminant | 10 |
| Coordinate geometry | 10 |
| Trigonometry | 8 |
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