Prime factorization, divisibility, modular arithmetic, and Diophantine equations.
Olympiad questions are phrased differently than standard school exams. Past papers teach you how to decode hidden clues in the text.
Solving 25 complex problems in 90 minutes allows less than 4 minutes per question. Past papers build the necessary speed.
Open-ended fill-in-the-blank (no multiple-choice guessing).
Take your first past paper without a timer. Focus purely on comprehension. Attempt every question and note down the specific concepts where your knowledge feels weak. Step 2: Targeted Topical Re-learning
Algebra forms the backbone of the Senior Secondary syllabus. You must move past basic equations into structural polynomial properties.
: Provides registered users with past paper access and answer keys.
Permutations (nPr) and combinations (nCr). Pigeonhole Principle: Applied to pigeonhole problems.
: 30 questions (6 per topic) to be completed in 120 minutes. Total score of 150. Rules : No calculators are permitted. Core Syllabus Topics HKIMO Senior Secondary Mock Paper 2019 - Scribd
Sine and Cosine Laws, cyclic quadrilaterals, coordinate geometry (lines, circles, parabolas), and area formulas (Heron’s formula). 5. Combinatorics
Continue this cycle with more papers. Your speed and accuracy will improve with each iteration. Keep a log of your scores and the types of mistakes you make to track your progress.
"Andy goes northwest for 24km, then goes northeast for 13km, goes southeast for 51km and goes southwest for 49km. How far is he now from the original position?"