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2026-C2 Class

Lessons

Chapter Week Code Topic Date
Strategy 1 S1 Try Small Cases 1 15 May
2 S2 Try Small Cases 2 22 May
3 S3 Case Bashing 29 May
4 S4 PROBLEM SET & FIRST CONTEST 13 Jun
Combinatorics 5 C1 Permutations and Combinations 1 21 Jun
6 C2 Permutations and Combinations 2 26 Jun
7 C3 Combinatorial Identities 25 Jul
8 C4 Bijections 01 Aug
9 C5 Intro to Probability 09 Aug
10 C6 Expected Value 22 Aug
11 C7 Tactics in Probability 29 Aug
12 C8 COMBI REVIEW & CONTEST 11 Sep
Number Theory 13 N1 Primes and Factors 19 Sep
14 N2 GCDs and Euclidean Algorithm 30 Sep
15 N3 Number Bases 07 Oct
16 N4 Modular Arithmetic 14 Oct
17 N5 Applications of Modular Arithmetic 21 Oct
18 N6 Orders in Modular Arithmetic 28 Oct
19 N7 Chinese Remainder Theorem 04 Nov
20 N8 NT REVIEW & CONTEST 11 Nov
Algebra 21 A1 Algebra Fundamentals 18 Nov
22 A2 Graphing 25 Nov
23 A3 Arithmetic and Geometric Sequences 2 Dec
24 A4 Exponents and Logarithms 9 Dec
25 A5 Polynomials 1 16 Dec
26 A6 Polynomials 2 23 Dec
27 A7 Complex Numbers 1 30 Dec
28 A8 Complex Numbers 2 6 Jan
29 A9 ALGEBRA REVIEW & CONTEST 13 Jan
Geometry 30 G1 Angle Chasing 20 Jan
31 G2 Cyclic Quadrilaterals 27 Jan
32 G3 Lengths in Triangles 3 Feb
33 G4 Lengths & Areas 10 Feb
34 G5 Triangle Centres 1 17 Feb
35 G6 Triangle Centres 2 24 Feb
36 G7 Coordinate Bashing 3 Mar
37 G8 Trig Bashing 10 Mar
38 G9 GEOMETRY REVIEW & CONTEST 17 Mar
Strategy 39 S5 Visualisation 24 Mar
40 S6 COURSE REVIEW & Training & FINAL CONTEST 31 Mar