Original Handbook Problem: At a certain middle school, the 6th-grade class of 390 increased by 10%, the 7th-grade class of 350 increased by 22% and the 8th-grade class of 420 increased by 20%. Overall...
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...