Secondary 2
- A game about linear equations in 2 unknowns
- An exercise about linear equations in 2 unknown with personalized feedback
- A Proof of Pythagoras' Theorem due to Tony Foster
- A more traditional Proof of Pythagoras' Theorem
- A game about Pythagoras' Theorem
- An exercise about Pythagoras' Theorem with personalized feedback
Secondary 3
- A boat-shooting game about Compass Bearings
- A more difficult version of the game above, thanks to the advice of Ms. Lau
- A boar-shooting game about True Bearings
- An exercise about Bearings with personalized feedback
- Finding Orthocentre with my SOS Framework - Solution of HKDSE 15 II Q42
- Finding Circumcentre with my SOS Framework
- An exercise about Orthocentre and Circumcentre with personalized feedback
Secondary 4
- Equations of Straight Lines - Solution of HKDSE 25 II Q26
- Circles - A web page about Power Of A Point
Secondary 5
- Equations of Circles - an interactive Game about the General Form
- Sine Formula - A challenging question about Angle Bisector Theorem
Secondary 6
- Mock 21A2 Question 39: 3D trigonometry
- Mock 22A2 Question 41: Interesting properties about orthocentre and circumcircle.
Math Team
- Think Mathematics Competition 2025 S1 Question 21: Number of solutions of a + b + c = 11
- Think Mathematics Competition 2025 S1 Question 28: Finding area by Dissection
- Think Mathematics Competition 2025 S1 Question 30: Counting Problem about Floor Function