KidibookThe Big Book of Cheat Sheets
274 tips + 142 exercises to remember derivatives, philosophy, physics-chemistry… and aim for the Bac with confidence.
👇 Why so many hours for so little
Kidibook274 tips + 142 exercises to remember derivatives, philosophy, physics-chemistry… and aim for the Bac with confidence.
He has been working since dinner. You see the light, you hear the pages. You tell yourself that at least he is getting started.
Two days later, the mock math exam: 7. He tells you he had a blackout on derivatives — the very ones he had revised that evening.
The problem is no longer the number of hours. There are already many.
In high school, the syllabus becomes too vast to reread. And highlighting gives exactly the same feeling as learning: you close the lesson feeling ready.
Except the highlighter sorts the page, not the memory. On the day of the test, there is no longer any page or colors.
What is missing at this level is never the work — it is the efficiency of the work : a grip by formula, by date, by concept.
At this stage, adding hours mostly adds fatigue. Performance drops before the grade does.
Essential for practice. But they check what you already know — they don’t make you remember it.
You understand very well by watching. You recall very poorly the next day: understanding and memorizing are two different actions.
This book does not replace any of that. It adds the missing piece: something to hook what has been understood, so it holds until the big day.
Dozens of concrete tips that stay in the mind forever, in all subjects:
He used to look for the derivative of a quotient every time. You show him the sentence that contains it entirely — ridiculous, and impossible to forget.
Three weeks later, during the exam, he no longer looks for it. It’s already there, and he has time left for the rest of the subject.
That’s what we aim for: not more hours, but fewer gaps.
The 274 tricks and the 142 exercises are identical in both. The only question: is he revising this weekend, or do you want to give him a real book?
Might as well prepare for them with active recall rather than a highlighter.
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