How to Calculate Probability. Probability is the measure of how likely an event is to occur out of the number of possible outcomes. Calculating probabilities can seem tricky at first, but once you learn the simple formula, you'll be able.

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Permutation and Factorials! These task cards are a great reinforcement - they're bright and fun with blank ones included for students to design their own!

Do you need more questions to use to provide practice with the counting principle and/or permutations? These 36 task cards focus on using the counting principle and calculating permutations. Both color and black/white copies are included.

Calculate permutations with panache while clad in this lovely layered tank!

Calculate permutations with panache while clad in this lovely layered tank!

Graphing Calculator Mega Bundle of 27 Reference Sheets Grades 7 -