The Marble Challenge game is inspired by the winner of the 2015-2016 Math Video Challenge. The video explains the strategy to win the game. Have Mathletes play first, then watch the video. Download...
Addition and subtraction may sound easy for middle schoolers, but what if you are missing some digits? What if you want to maximize or minimize a result? This plan focuses on some common types of...
Mathletes are likely most comfortable working with numbers in base 10, but there are many other number systems to explore - other integer bases, fractional bases, and even negative bases. This plan...