Wong's Tips

Wong Sir
Chief Editor & Maths
Former Hong Kong primary maths teacher with 15 years in the classroom. Built Tutor Wong after seeing the same homework mistakes thousands of times. Believes every error is a learning opportunity — if you know where to look.
I Let AI Mark My Students' Homework for a Month. Here's the Honest Result.
Wong Sir tried AI marking with his students for a month. What it got right, what it missed, what it revealed about his own habits — and an honest verdict.
Schools Are Getting Smaller. Is That Actually Bad for Your Child?
Wong Sir on what the research actually says about class size, the real risks of school consolidation, and the real benefits — and how to evaluate whether a smaller school serves your specific child.
The Week Before a Primary School Exam: A Former Teacher's Daily Plan
A day-by-day guide for the week before primary exams — not more studying, but smarter final preparation, from a teacher who has seen both approaches.
How Long Should a Primary School Child Study Each Day? The Honest Answer.
The evidence on optimal study duration by age — and why the answer is shorter than most HK parents expect. Wong Sir on quality versus quantity in study time.
The Best Study Method Is Also the Most Embarrassing: Teach It to Someone Else
Wong Sir on the Feynman technique — explaining what you've learned to someone else — why it's awkward, and why that awkwardness is actually the point.
The Mistake Journal: The Study Method I Used With Every Student Who Wanted to Improve
Wong Sir's most consistent piece of advice across 15 years: write down every mistake, categorise it, revisit it weekly. Why it works and why most students avoid it.
Re-reading Notes Is Not Studying. Here Is What Actually Works.
Wong Sir on the difference between passive review and active recall — the study habits that look productive but aren't, and the ones that feel harder but work.
Spaced Repetition for Primary School Children: The Study Method That Beats Cramming Every Time
Wong Sir on why cramming doesn't build lasting memory and how spaced repetition helps primary school children retain material for the long term.

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