Math Activities & News

IB math question Q1

Mathematical Induction

Geometry - 2025 China Team Selection Test

A geometry question from the CTST in the previous year. A question that requires a bit of attention(注意力) and the knowledge of the Nine-point circle.

Finding average using integration

Trigonometry Integration

Calculus Question - Riemann Sum

Calculus Question (differentiating integrals)

Geometry - China Math Olympiad Mock Exam #3

A quite challenging geometry question that requires angle chasing skills and the use of similar triangles and the circle power theorem.

Geometry - China Math Olympiad Mock Exam #2

A geometry question that tests your ability of angle chasing.

Geometry - China Math Olympiad Mock Exam #1

A pretty plain geometry question.