Animation Type: Computer Illustrated, Static Images. Original Handbook Problem: The number of E. coli bacteria in a rich medium is increasing at a rate of 50% every 3 hours. How many hours does it...
Finalist in the 2013-2014 Math Video Challenge. This video was created by PolyMa+hema+1c5. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology...
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...
Explore measures of central tendency, specifically mean and median, by solving common types of MATHCOUNTS problems related to sets of numbers. Use the extension at the end to develop a rule for...
Final exams often accompany the final days of school. Sherry has had four tests so far in her science class, each worth 1/6 of her final grade. She scored 87%, 89%, 92% and 91% on these tests. Her...
Abby, Brenda, Celia, Denise and Elizabeth are going to their town’s annual hayride. Tickets cost $8.00 for people 12 years old and older but only $5.00 for people 11 years old and younger. The total...