Category: factors

100 Rolls Task

Most probability resources contain a familiar type of question: the two-dice probability distribution problem.  Often times, it is accompanied with questions concerning the sums of the faces that appear on each dice.  For example: Roll two fair, 6-sided dice. What possible sums can be made by adding the faces together? What is the probability that: …

Manipulative Revelation

I completed school before manipulatives were in vogue. I am still not sure that they are today (where I teach). I know that my department’s manipulatives are locked up in a cupboard. In this Potter-like clandestine state, I didn’t even learn of their existence until the end of the year. I was moving classrooms, and …