Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable ...

Learn how to confidently apply Coulomb’s Law using a clear, step-by-step problem-solving method. This tutorial breaks down electric force calculations, charge interactions, units, and common mistakes, ...

Undergraduate students across North America sat down on Saturday to write a grueling six-hour math exam, many of them unlikely to solve a single problem. The notoriously brutal William Lowell Putnam ...

To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you progressively halve the number and take the integer floor of any “and a half” ...

Chalkbeat Ideas is a new section featuring reported columns on the big ideas and debates shaping American schools. Sign up for the Ideas newsletter to follow our work. An obscure university report has ...