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2025-07-C2 Class

Lessons

*New students may enrol in the course and join the class on this lesson.

Chapter Week Code Topic Date
Strategy 1 S1 Try small cases Jul 22*
2 S2 Case bashing and Extremal Principle Jul 29*
Combinatorics 3 C1 Intro to Combi Aug 05*
4 C2 Combinatorial Identities Aug 12
5 C3 Intro to Probability Aug 19
6 C4 States and Applications Aug 26
Number Theory 7 N1 Primes and Factors Sep 02*
8 N2 Euclid, Bézout, and Bases Sep 09
9 N3 Modular Arithmetic Sep 16
10 N4 Modular Inverses, Powers, and CRT Sep 23
Algebra 11 A1 Algebra Fundamentals Sep 30*
12 A2 Sequences and Exponents Oct 07
13 A3 Polynomials Oct 14
14 A4 Complex Numbers Oct 21
Geometry 15 G1 Angle Chasing Oct 28*
16 G2 Lengths and Areas Nov 04
17 G3 Triangle Centres Nov 11
18 G4 Coordinate and Trig Bashing Nov 18
Strategy 19 S3 Notation, Representation, and Visualisation Nov 25
20 S4 Problem Exploration & Training Dec 02