Coloring apps are having a moment. Of the top free apps in the App Store right now, four of the top 25 are coloring apps — including the No. 3 app in the App Store, called Color by Number. That, along ...

In a recent article, mathematicians explain the use of tools from the branch of mathematics called graph theory to systematically analyze Sudoku puzzles. They also find that analyzing Sudokus leads to ...

A detail of the Mandelbrot set, a fractal named after Benoit Mandelbrot, the French mathematician who investigated it in the 1970s. If you were to zoom in at any point on the intricate, wiggly line, ...

A year after he started his Ph.D. in mathematics at McGill University, Matt Bowen had a problem. “I took my qualifying exams and did absolutely horribly on them,” he said. Bowen was sure that his ...

This Metals and Non-metals Color by Number Science Activity is a fun, engaging way to review this topic. It also makes for a great sub-plan for your Middle School Science classes. A bundle is a ...

Looking for a fun activity for your Middle School Science class? Try this Chemical Reactions Color-by-Number Bundle. Great as a substitute lesson or for review work.