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 ...
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 ...
Although I said once a week from now on, I decided to upload it whenever I can write it 😅You might hear things like, ...
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 ...
In elementary school arithmetic, I was marked wrong for reversing the order of multiplication. Every time this topic comes up ...
While her grade school classmates were learning the alphabet and how to count to five, Andrea Bertozzi remembers studying negative numbers and modular arithmetic. Math often gets a bad rap as an ...
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 ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results