01
Diagnostic Control
Identify instability points before content expansion.
CIE 0580
A structured preparation system — diagnostic resources, topical worksheets, and retrieval quizzes — aligned to the CIE 0580 syllabus. Built to make exam performance stable and reproducible.
一套结构化的备考体系 — 诊断资源、专题练习册与快速检索测验 — 对齐 CIE 0580 考纲。让考试表现稳定且可复制。
14 free worksheet packs · 40+ Kahoot quizzes · 9.7/10 accuracy · Designed by an international school educator
Not sure where to begin? Start Here →
不确定从哪开始?从这里开始 →
Why 25Maths
Most students don't lack effort — they lack a system. 25Maths builds structured control across diagnosis, recognition, practice, and timing.
大多数学生不缺努力,缺的是体系。25Maths 围绕诊断、识别、训练与节奏四个层面,建立结构化的考试掌控力。
01
Identify instability points before content expansion.
02
Train students to map question structures, not just surface forms.
03
Build repeatable solution routines under mixed-topic conditions.
04
Calibrate timing, switching, and confidence flow across full papers.
Practice Ecosystem
Library
Structured packs aligned to CIE 0580 objectives.
View library →Free
Free topic packs with structured questions and full solutions.
Browse free packs →Interactive
Fast-cycle retrieval quizzes to reinforce recognition speed and retention.
Explore hub →Inside the Platform
Start Free
开始学习所需的一切 — 完全免费。
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Download CIE 0580 topic packs with questions and worked solutions.
Browse CIE packs →9
Structured bundle routes for deeper CIE 0580 preparation.
View bundles →40+
Classroom-ready retrieval quizzes for quick revision — free to play, no account required.
Open Kahoot hub →Guided Practice
12 weekly topical practice packs with full solutions, graded difficulty, and monthly recap — built for CIE 0580.
12 周专题练习包(含解析),对齐 CIE 0580 考纲,一次购买。
Blog
Short, practical guides for CIE students.
February 27, 2026 · CIE 0580 Topic Guide
Master SOHCAHTOA, sine/cosine rules, and 3D trig — the topics that appear on every Paper 4.
Read article →February 27, 2026 · CIE 0580 Topic Guide
Percentage increase, decrease, reverse percentages, and compound interest — all in one guide.
Read article →February 27, 2026 · Exam Strategy
Stop rereading notes. Here's a structured revision plan based on how examiners set questions.
Read article →About
Designed by an International School Mathematics Educator.
Every component is designed to reduce randomness and make performance reproducible across boards, tiers, and exam conditions. Rated 9.7/10 for accuracy and clarity by independent reviewers.