Practice questions
Original question sets written by Per Sir, modelled on past-paper style, with answers. Free to use — no sign-up, nothing to download.
These are not reproductions of HKEAA or IBO examination questions.
Recently added
- Equations of Straight Lines · September 2026
HKDSE Mathematics
Equations of Straight Lines
Slopes, intercepts, perpendicular bisectors, loci and the circumcentre, worked in coordinates. Modelled on 2012 to 2026 past-paper style.
Paper 1 long questions (8) · Paper 1 challenge (4) · Paper 2 multiple-choice (20) · Paper 2 challenge MC (8)
How to use these
Work a set on paper before opening any answer. The answer is worth nothing; the reason it is the answer is the whole point. If a question defeats you twice, that topic is the one to bring to a lesson.
The full courses behind these sets are on the Mathematics page.