Curated OER
Tetrahedral Dice
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
National Council of Teachers of Mathematics
Is It Fair?
In this probability instructional activity, learners answer nine questions about the fairness of games. High schoolers determine if a game is fair or not. They list outcomes and find ones' chances of winning.
Oswego City School District
Regents Exam Prep Center: Tree Diagrams
This tutorial demonstrates how tree diagrams are constructed and shows how to calculate the probability of an event using a tree diagram. There are links to a lesson, practice page, and teacher resource pages with useful tips.
Beacon Learning Center
Beacon Learning Center: Me Too Probability
Students find possible outcomes using tree diagrams in this interactive web lesson.
Beacon Learning Center
Beacon Learning Center: Who Will Probably Come to the Party?
Students use tree diagrams to find possible outcomes and make predictions for probability story problems.
Beacon Learning Center
Beacon Learning Center: On Stage Probability
Students explore how tree diagrams can display possible outcomes in probability problems through this interactive web lesson.
Annenberg Foundation
Annenberg Learner: Analyzing Binomial Probabilities
A tree diagram is a helpful tool for determining theoretical or mathematical probabilities. Toss a coin and watch as branches represent a toss of either head or tails.
University of Georgia
University of Georgia: Inter Math: Probability
This InterMath site gives a description of probability along with an example. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving probability...