The counting principle

The  exercise appears under the 7th grade (U.S.) Math Mission. This exercise practices finding the total number of outcomes in an event.

Types of Problems
There is one type of problem in this exercise:
 * 1. How many different combinations are there?: This is a probability problem and the student is asked to find how many possible outcomes are in the event.

Strategies
Knowledge of probability and the counting principle are essential to ensure success in this exercise.
 * 1. The total number of combinations can be found by multiplying the number of choices.