Define x @ y as (x3 − y)/x, for distinct positive integers x and y. What is the value of 5 @ 10? Evaluating 5 @ 10 yields (53 − 10)/5 = (125 − 10)/5 = 115/5 = 23. Define a # b as a2 − b2 − ab, 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...
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...
Mathletes will analyze frequency tables, histograms, stem-and-leaf plots and other visual representations to solve problems about sets of data. In the extension, Mathletes will analyze a set of data...
Original Handbook Problem: Manny has 5 shirts, 3 pairs of pants, 2 ties and 4 pairs of shoes. If Manny’s school uniform consists of a shirt, a pair of pants, a tie and a pair of shoes, how many...
Winner of the 2011-2012 Math Video Challenge. This video was created by team Stone Valley. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology...
Finalist Video in the 2012 Math Video Challenge. This video was created by team N3RD$. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology to...
Finalist Video in the 2011-2012 Math Video Challenge. This video was created by team 2Legit2Quit. The Math Video Challenge is an innovative program involving teams of students using cutting-edge...
Finalist in the 2014-2015 Math Video Challenge. This video was created by G.I.T. Stockholm International. The Math Video Challenge is an innovative program involving teams of students using cutting...