(ABC News)--Police across the country are used to solving puzzles, but one Ohio police department recently got a plea for help from a local girl seeking to solve a puzzle of a more mathematical bent.

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 ...

Want to learn more? Sign up for a free five-week email mini-course full of research-backed strategies to help students make sense of math. Give Cindy Cliche a math word problem, and she can tell you ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...