The p-adics form an infinite collection of number systems based on prime numbers. They’re at the heart of modern number theory. The rational numbers are the most familiar numbers: 1, -5, ½, and every ...

Practice time! Build, read, & write three-digit numbers using base-10 blocks and symbols. Practice time! Build, read, write (in standard and expanded form), and represent three-digit numbers using ...

Understand how to express the same number in different forms. Part of using base-ten numbers correctly is understanding how to express the same number in different forms. It is challenging to move ...

Patrick M. Magee ’21 is a joint Philosophy and Physics concentrator in Currier House. His column appears on alternate Thursdays. In March, on the eve of leaving Cambridge, I asked a particularly wise ...

The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century. Most people are ...

Online forms are an excellent way to conduct research, collect feedback, test knowledge, and more. Here’s how to use Microsoft Forms to create surveys, feedback forms, quizzes, and other interactive ...