OER Commons
Oer Commons: Fundamental Counting Principle
Students will continue to apply their understanding of compound independent events. They will calculate probabilities and represent sample spaces with visual representations.
Oswego City School District
Regents Exam Prep Center: Counting Principle
The counting principle is even easier to understand after reading this tutorial. There are practice problems and a teacher resource page included.
CK-12 Foundation
Ck 12: Probability: Basic Counting Rules
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to the most basic counting rule: the multiplication rule. It also explains the probability of simple random samples.