A Program of The Actuarial Foundation. Aligned with Common Core State and NCTM Standards.
What is an actuary? An actuary is an expert in statistics who works with businesses, governments, and organizations to help them plan for the future. Actuarial science is the discipline that applies math and statistical methods to assess risk. Background photo: © Inga Nielsen/iStockphoto.

The Power of Probability

Calculating Simple and Compound Probability

Welcome to "The Power of Probability," a new math program aligned with NCTM and Common Core State Standards, which gives students opportunities to practice their skills and knowledge of the mathematics of probability.

Developed by The Actuarial Foundation with Scholastic, the program's lessons and worksheets motivate students through activities that use mathematics for real purposes.

The three lessons below are accompanied by fun activity worksheets. The program also includes a bonus worksheet  and an exciting online probability challenge.

Alignment with NCTM and Common Core State Standards (PDF)

Lesson Plans

Lesson 1: Probability Basics
Lesson 1: Probability Basics
Students will use tree diagrams, tables, and the fundamental counting principle to calculate probability.
Lesson 2: Simple Probability and Sampling
Lesson 2: Simple Probability and Sampling
Students will use a sample to make predictions about a population and add the probabilities of multiple outcomes to determine the probability of an event.
Lesson 3: Compound Probability
Lesson 3: Compound Probability
Students will use the formula for compound probability to calculate the probability of multiple independent events.
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