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IGCSE Trigonometry: Complete Guide from Basics to Exam-Ready
Master SOHCAHTOA, sine/cosine rules, and 3D trig — the topics that appear on every Paper 4.
· CIE 0580 Topic Guide · 4 min read
Read featured article先从这篇开始，再按下方主题继续学习。
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Topic breakdowns, exam strategies, and weekly practice guidance.
每周更新：考点拆解、备考策略与练习路径建议。
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Last updated February 27, 2026
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Browse all guides →All Guides
Exam strategy and topic-specific support for CIE 0580 and Edexcel 4MA1.
· CIE 0580 Topic Guide · 4 min read
IGCSE Percentage Problems: Every Type You'll See in the Exam
Percentage increase, decrease, reverse percentages, and compound interest — all in one guide.
Read article →· Exam Strategy · 3 min read
IGCSE Maths Revision Strategy: A 6-Week Plan That Actually Works
Stop rereading notes. Here's a structured revision plan based on how examiners set questions.
Read article →· Exam Strategy · 4 min read
CIE 0580 vs Edexcel 4MA1: Which IGCSE Maths Exam Is Harder?
A side-by-side comparison of the two most popular IGCSE maths syllabuses worldwide.
Read article →· CIE 0580 Topic Guide · 3 min read
CIE 0580 Paper 4 Extended: 10 Tips to Gain 20+ Extra Marks
Paper 4 is where grades are won or lost. These techniques target the marks most students leave on the table.
Read article →· CIE 0580 Topic Guide · 2 min read
CIE 0580 Functions & Graphs: How to Score Higher
A quick guide to common question types and the fastest ways to improve.
Read article →· CIE 0580 Topic Guide · 2 min read
CIE 0580 Algebra: 7 Common Mistakes and How to Fix Them
Target the errors that cost the most marks in IGCSE algebra questions.
Read article →· Edexcel 4MA1 Topic Guide · 2 min read
Edexcel 4MA1 Ratio & Percentage: Avoid These Mistakes
Simple fixes that unlock easy marks in exam-style questions.
Read article →Practice by Goal
Use the blog, then move straight into guided practice.
先看方法，再进入针对性练习，效率更高。
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获取学期练习通行证，12 周专题练习包含完整解析。
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