What a wrong answer to “3 × 2” teaches us about discipline, learning, and society The Scenario A primary school child brings home a maths worksheet. The child has written 3 × 2 = 6 — correct, arithmetically. The teacher has marked it wrong. The grandfather, a retired mathematics professor, is outraged and goes to school to confront the teacher. She explains patiently: the class is currently learning the two-times table, not the three-times table, so the child was expected to write 2 × 3 = 6, demonstrating the method being taught. The grandfather disagrees and returns the next day to argue again. The teacher calls the mother and asks that he not come to school again. He comes anyway. “Listen — his answer is correct. Still, the class is doing the two-times table, not the three-times table. Therefore it is not correct.” — the teacher, explaining the same point for the third time. Why Following Instructions Matters, image generated by ChatGPT A Simple Mistake, A Bigger Pattern On the surfa...
What a wrong answer to “3 × 2” teaches us about discipline, learning, and society The Scenario A primary school child brings home a maths worksheet. The child has written 3 × 2 = 6 — correct, arithmetically. The teacher has marked it wrong. The grandfather, a retired mathematics professor, is outraged and goes to school to confront the teacher. She explains patiently: the class is currently learning the two-times table, not the three-times table, so the child was expected to write 2 × 3 = 6, demonstrating the method being taught. The grandfather disagrees and returns the next day to argue again. The teacher calls the mother and asks that he not come to school again. He comes anyway. “Listen — his answer is correct. Still, the class is doing the two-times table, not the three-times table. Therefore it is not correct.” — the teacher, explaining the same point for the third time. Why Following Instructions Matters, image generated by ChatGPT A Simple Mistake, A Bigger Pattern On the surfa...