A few weeks ago, a father posted a page from his son's supposed common-core math assignment on Facebook, claiming that despite his own degree in engineering, he could not solve the problem.

The researchers started by sketching out the problem they wanted to solve in Python, a popular programming language. But they left out the lines in the program that would specify how to solve it.

Solve math problems for a chance to win prizes, blending education with fun challenges. ... b and c had a common factor so he contacted folks in academia to confirm that the problem was new, ...

Richard Rusczyk, founder of Art of Problem Solving, has a vision for bringing “joyous, beautiful math” — and problem-solving — to classrooms everywhere. When Richard Rusczyk became interested in math ...