Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don't know why it's true. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I have ...

Do you ever feel the burden of calculation in everyday moments? Whether it's paying at the register, analyzing data at work, or facing your child's homework, we unknowingly hit an invisible wall ...

Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...

Hello, I'm aki.In this note, I have been writing about AI, including physical AI, in the form of stories. Starting today, I ...

In certain math and physics topics, I encountered a lack of sufficient exercises for students to thoroughly master the material. This document contains enough exercises that can be used in a variety ...

What's the best way for children to learn arithmetic—memorizing number values and multiplication tables, or studying math at a deeper, conceptual level? Educators have long debated the merits of these ...

Barbie caught a lot of flack back in the ’90s for declaring, “Math class is tough!” Today we find ourselves in the disorienting position of defending her. We recently got a note from an anonymous ...

Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don’t know why it’s true. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I have ...