Flashcards, Revision Notes, Mind Maps: Which Actually Worked for My Kids
Tiger Ma's empirical testing of every study aid she could find — which ones her kids would actually use, which ones she forced on them, and what she'd do differently.

I have bought, printed, laminated, and subsequently recycled more study aids than I care to calculate. I am a person who, when facing an uncertain situation, buys equipment. This is a coping mechanism dressed as preparation. I recognise it now. It does not stop me doing it.
Over the past three years of watching my son revise for primary school exams, I have tried the following, in approximate order of my confidence that they would work:
Flashcards — handwritten. My bet for success. The theory is sound: retrieval practice is genuinely one of the most evidence-based study techniques, and handwriting engages memory better than typing. I bought index cards in five colours. I sat with my son and we made flashcards for his science vocabulary. It took most of a Saturday afternoon. On Monday he did not use them. On Tuesday I reminded him to use them. He shuffled through them briefly and said they were "too many words." He had approximately thirty cards. He was not wrong that thirty cards is a lot. I had not broken the subjects into manageable sets; I had created an overwhelming stack and expected him to dive in.
Revised approach — smaller sets, specific topics. Worked better. Maximum ten cards per topic, reviewed immediately after the tutoring session on that topic. The temporal proximity matters: reviewing a flashcard set about fractions on the same day you revised fractions with a tutor means the cards reinforce rather than introduce. This I should have known from adult learning principles. I did not apply it to my child until the third exam season.
Flashcard apps. We tried Anki (too complex for P5, the setup is genuinely fiddly) and a simpler one on his iPad. The app version had the same problem as other educational apps: it required its own motivation to open. Physical cards on his desk required no activation energy — they were already there. He used the physical cards more than the app, despite the app being technically superior in its spaced-repetition algorithm.
Revision notes — my writing. Complete failure. I wrote detailed notes from his textbooks during one exam season, thinking I'd save him time and give him pre-processed information. He read them once. They weren't his, and children — or at least my child — don't own information they didn't generate themselves. The act of writing notes is the revision, I was dimly aware of this and chose to ignore it.
Revision notes — his writing. Better. When I sat with him and asked him to write down what he knew about a topic (starting with the book closed), and then we checked against the textbook together, the combination of active recall and error-correction produced notes he actually engaged with. This takes much longer than me writing them. It is still more effective.
Mind maps. My daughter uses these. She makes them on large paper with coloured pens and they are elaborate and beautiful and she clearly enjoys making them. Whether she learns from them or enjoys making them is a question I have not been able to fully separate. Her grades are fine; whether the mind maps are contributing is impossible for me to isolate. She insists they help. I believe her.
My son tried a mind map once and produced something that looked like a spider had had a disagreement with a pen. He does not have a visual-spatial processing style. Not all techniques work for all children. This sounds obvious and I still spent three weeks trying to make him a mind map person.
Colour coding. I bought four sets of highlighters. My daughter uses highlighters extensively and says they help her identify key information. My son uses highlighters to colour in interesting letters in his textbook. The highlighting technique, for him, is completely divorced from the studying.
What I'd do differently starting from P1:
Retrieval practice from the beginning. Ask questions after reading rather than asking the child to read again. "What do you remember about what we just read?" is more useful than "read that paragraph again." I didn't learn this until P4.
Small, frequent review sessions over large, infrequent sessions. Fifteen minutes three times a week beats forty-five minutes once a week. I knew this abstractly and ignored it because scheduling is hard and forty-five minutes once feels manageable in a way that fifteen minutes three times doesn't.
Let them do it wrong first. The instinct to pre-process information for your child — to make the notes, to set up the flashcards, to organise the system — removes the part that's actually learning. The effort is the point. I am a person who has spent years reducing my children's effort and wondering why they don't retain things.
The most effective study aid in our house, ultimately, is an analogue timer, a closed book, and a parent in another room. Everything else is supplementary to those three things.

Anonymous HK parent. Self-described reformed tiger mum. Two kids in local primary in Sha Tin. Works in finance. Writes what other parents think but won't say out loud.
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Disclaimer: The opinions expressed in this article are those of the author alone and do not represent the views or positions of 補習天王 (Tutor Wong), its founders, staff, or team. This article is provided for informational purposes only and does not constitute professional advice.
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