Curated, merged question bank for IB Mathematics (AA & AI), IB Physics, IB Chemistry, IB Biology, IB ESS, and IB Economics — pulled from publicly available revision sources and grouped by syllabus topic.
Live: https://ib.mycosmic.dev/
| Source | Subject | What it gives us | Status |
|---|---|---|---|
| pestle | Maths AA, AI, Physics | 815 + 835 + 1305 questions tagged with topic + subtopic from real IB papers | implemented |
| Christos Nikolaidis | Maths AA | 70 PDF worksheet bundles by syllabus subtopic | implemented (links + metadata) |
- Maths AA / AI use the IB MAA/MAI top-level groupings (1–5): Number & algebra, Functions, Geometry & trig, Stats & prob, Calculus.
- Physics uses the 12 core topics (1–12) plus 4 options (a–d).
Each question is tagged with subject, topic_id, subtopic (where the
source provides one), level (SL/HL/BOTH), paper, year, session,
and the original source URL.