Curated OER
Understanding Probability
In this probability worksheet, students read through an example problem regarding probability. They then use what they read to answer the 7 probability questions on the page.
National Council of Teachers of Mathematics
The Math Forum: Prob/stat Classroom Materials
This site provides links to lesson plans, example problems, and software sites for probability and statistics.
Texas Instruments
Texas Instruments: A Simulation
In this activity, students use the CellSheet Application to simulate a probability event. This activity simulates an experiment performing a survey. Students can see that the results of a random survey can vary widely if a small sample...
Beacon Learning Center
Beacon Learning Center: Chances Are
Students explore the likelihood of events using circle graphs and percentages in this interactive web lesson.
Oswego City School District
Regents Exam Prep Center: Complement of an Event
This resource defines a complement, then explains how to find the probability of the complement of an event. The examples are easy to follow.
Maths Challenge
Maths challenge.net: Proportion of Ones
A problem of probability with the answer available to the reader.
Scholastic
Scholastic: Study Jams! Math: Probability: Probability as a Fraction
This site provides great practice on the concept of probability as a fraction. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice...
TOPS Learning Systems
Top Science: Tack Toss [Pdf]
An activity where students toss a set of tacks one hundred times and plot how many land on their sides each time. They then calculate the mode, median, and mean.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Probability of Simple Events
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of the probability of simple events.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Probability of Compound Events
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of event probability.
CK-12 Foundation
Ck 12: Probability: Complement Rule for Probability Grades 11 12
[Free Registration/Login may be required to access all resource tools.] This Concept introduces the student to complements, in particular, finding the probability of events by using the complement rule.
CK-12 Foundation
Ck 12: Probability: Probability of Compound Events
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to calculate the probability of combined events.
Sophia Learning
Sophia: Introduction to Probability
Introduction to Probability is a resource that provides assessment and teacher tutorials that focus on mathematic concepts such as probability, outcomes, events, probability distribution, laws, values and odd.
Sophia Learning
Sophia: Finding the Probability of Two Independent Events
Determine the probability of two independent events. Assess learning with a quiz.
Math Planet
Math Planet: Pre Algebra: Probability of Events
Discover how to find the probability of an event by taking a look at examples and a video lesson.
Illustrative Mathematics
Illustrative Mathematics: S cp.b.7: Coffee at Mom's Diner
This task assesses a student's ability to use the addition rule to compute a probability and to interpret a probability in context of a coffee shop. Aligns with S-CP.B.7.
Illustrative Mathematics
Illustrative Mathematics: S cp.b.9: Alex, Mel, and Chelsea Play a Game
Alex, Mel, and Chelsea play a game that has 6 rounds. In each round there is a single winner, and the outcomes of the rounds are independent. For each round the probability that Alex wins is $\frac{1}{2}$, and Mel is twice as likely to...
Alabama Learning Exchange
Alex: Introduction to Probability
This lesson encourages the students to learn about probability within a group setting. It allows them to help each other gain a better understanding of how probability works. It teaches how to compute probability of basic problems and...
Alabama Learning Exchange
Alex: Dartboard Probability
In this lesson students will find probability of events presented in a geometric context. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Alabama Learning Exchange
Alex: It's in the Bag!
It's in the Bag will allow students to explore basic principles of probability. Students will investigation the likelihood of a certain color cube coming out of a bag. Then proceed to write word problems involving the plausible outcomes....
Alabama Learning Exchange
Alex: Maybe Maybe Not
In Maybe, Maybe Not students will explore and investigate components of probability. This lesson plan will enable students to develop understanding of a likelihood line and apply events to the line. This lesson plan was created by...
Alabama Learning Exchange
Alex: Don't Compound the Problem
Middle schoolers will be able to determine the probability of a compound event. Drawing on their knowledge of simple probability to find the probability of more complex outcomes. Students will create a poster, PowerPoint, booklet, or...
CK-12 Foundation
Ck 12: Interactive Geometry: 11.1 Descriptions of Events
Learn about different types of events: experiments, events, sample spaces, and outcomes.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: The Monty Hall Problem
This page gives an example of a probability problem and explains it very thoroughly.