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Resources & Insights

The latest olympiad news, analysis and resources.

How We Clustered JMO Written Problems Into Practice Sets
Mathematics8 min read

How We Clustered JMO Written Problems Into Practice Sets

How we reviewed 125+ JMO written problems, clustered them by reasoning habit, and built six diagnostic practice sets on problems.cc — a maths education lab case study.

George Ionitsa·31 May 2026
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What "Adaptive Practice" Should Mean for Competition Students
Mathematics5 min read

What "Adaptive Practice" Should Mean for Competition Students

What adaptive practice should mean for competition students — three dashboard quests and a Daily 5 from past papers on problems.cc, not synthetic drills.

George Ionitsa·22 May 2026
Daily Maths Puzzles Are on the App Store
Mathematics4 min read

Daily Maths Puzzles Are on the App Store

We released Problems.cc on the App Store in May 2026 — Cryptarithm, Magic Square, and Summit as a daily maths habit on iPhone and iPad, with no ads and optional sync to problems.cc.

George Ionitsa·15 May 2026
PMC Bonus Round 2026: School Results and What They Mean for Parents
Mathematics5 min read

PMC Bonus Round 2026: School Results and What They Mean for Parents

A sharper reading of PMC Bonus Round 2026 school results: why total medals are only the start, which schools stand out on golds, and what parents should actually look for.

George Ionitsa·11 March 2026
Incredible IMC Results at Exact Science: 20 Golds, 2 Silvers - 100% Medals
Mathematics3 min read

Incredible IMC Results at Exact Science: 20 Golds, 2 Silvers - 100% Medals

A closer look at Exact Science's IMC results: 22 students entered, 22 medals earned, and why the progression to Grey Kangaroo, Cayley, and Hamilton matters more than one headline number.

George Ionitsa·2 March 2026
We Built Daily Maths Puzzles. Here Is What They Are For.
Mathematics5 min read

We Built Daily Maths Puzzles. Here Is What They Are For.

Why we built Cryptarithm, Magic Square, and Summit on problems.cc — daily logic puzzles for competition maths students, between arithmetic drills and full olympiad papers.

George Ionitsa·10 February 2026
Preparing for the 7+ and 8+ Exams: Beyond Coins and Counting
Mathematics4 min read

Preparing for the 7+ and 8+ Exams: Beyond Coins and Counting

Why 7+ and 8+ maths should feel current, thoughtful, and purposeful, and why better context often produces better reasoning from bright children.

George Ionitsa·19 August 2025
Exciting News: Our First Offline Classes Start at Pimlico Academy!
Mathematics3 min read

Exciting News: Our First Offline Classes Start at Pimlico Academy!

Why opening our first in-person classes at Pimlico Academy mattered, and why a serious maths room can reveal and strengthen thinking in ways online lessons sometimes cannot.

George Ionitsa·24 February 2024
Unveiling Excellence: A Deep Dive into the Primary Maths Challenge Bonus Round Results
Mathematics3 min read

Unveiling Excellence: A Deep Dive into the Primary Maths Challenge Bonus Round Results

A more careful reading of Primary Maths Challenge Bonus Round results, and what parents should actually take from competition tables instead of just chasing rankings.

George Ionitsa·31 December 2023
Power of Maths Olympiad: A Pathway to Academic Excellence
Mathematics4 min read

Power of Maths Olympiad: A Pathway to Academic Excellence

Why Olympiad maths matters beyond medals, and how it builds judgement, resilience, and mathematical control that ambitious students need later.

George Ionitsa·31 December 2023
How to prepare for the Olympiads?
Mathematics4 min read

How to prepare for the Olympiads?

How to prepare properly for Olympiads: real papers, deliberate problem-solving, stronger feedback, and a clearer understanding of the competition pathway.

George Ionitsa·31 December 2023