Sayo Mathematics1500+ questions 📚AI generate ✨24/7 tutor 🤖
Generate, mark, and solve — one maths workflow
Sayo Mathematics is a one-stop maths teaching workspace: a 1500+ HKDSE question bank, an AI generator that turns one item into ten variants (a homework set in about five minutes), OCR marking with step-by-step error analysis, and a 24/7 AI tutor that walks students through problems — without handing out the answer.
How it works
Search the bank
Find 1500+ HKDSE items by topic, difficulty, or type — or photo-upload any question.
Generate variants
Extend one question into ten variants and prepare a homework or quiz in about five minutes.
Mark and analyse
OCR handwriting or photos, review step-level errors, and use class data for the next lesson.
What you get
Concrete tools for marking, practice, and classroom work.
HKDSE question bank
1500+ curated HKDSE items across topics, difficulty, and question types. Bilingual Chinese/English. Photo or type any question into the digital bank.
Variant question generator
Turn one question into ten variants. Prepare a homework or quiz in about five minutes, with new items added as exam trends shift.
OCR marking with step analysis
Upload handwriting or photos. AI marks against your scheme and shows where each step went wrong — and why.
Class analytics
Auto-surface common wrong answers and class-level gaps so you can adjust the next lesson.
24/7 AI tutor for students
Guides students to break down, think, and push through — with step hints, not ready-made answers. Free up class time for harder techniques.
Classroom activities
Homework generation
One question becomes ten variants — a full homework set in about five minutes.
AI marking
Upload handwriting or photos; see step-by-step errors and reasons.
Independent practice
24/7 AI tutor helps students break down problems and build study habits.
Who is it for?
For Teachers
- •Generate drills, quizzes, and homework in minutes
- •OCR handwriting and mark against your scheme
- •See common errors and class-level gaps instantly
For Students
- •24/7 tutor that walks through solutions step by step
- •Instant hints that build independent problem-solving
- •1500+ curated items with bilingual support
For Principals
- •One workflow for generate, mark, and solve
- •Data reports that support teaching decisions
- •Aligned to HKDSE standards
Ready to get started?
Try Sayo Mathematics with your class — or talk to us about a school rollout.