In this permutations and combinations worksheet, students solve 13 word problems. Each problem presents a common situation and asks students to tell the number of possible combinations.

In this counting principle learning exercise, students find the possibility of an event while using the counting principle. They read about this tool to find the total number of combinations.

In this counting principle worksheet, students examine, analyze and determine how to solve a variety of word problems with the counting principle. Students find out the total number of combinations that exist.