National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach...
Core Knowledge Foundation
Rocks & Minerals
Take young geologists on an exploration of the rock cycle with this six-lesson earth science unit on rocks and minerals. Through a series of discussions, demonstrations, and hands-on investigations your class will learn...
Khan Academy
Khan Academy: Sample Spaces for Compound Events
Practice checking if sample space diagrams match a compound event. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Probability
Find definitions of several terms associated with probability, such as experiment, sample space, event, and empirical probability, and view example problems and step-by-step solutions. Complete practice exercises and check your answers...
Scholastic
Scholastic: Study Jams! Math: Probability: Tree Diagrams
This site provides great practice on the concept of tree diagrams. 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 their...
Khan Academy
Khan Academy: Probabilities of Compound Events
Practice using sample space diagrams to find probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Probabilities of Compound Events
[Free Registration/Login may be required to access all resource tools.] A detailed explanation of how to use tree diagrams and tables to find the probability of compound events. Also looks at dependent events. Includes example problems...
Oswego City School District
Regents Exam Prep Center: Mutually Exclusive & Independent Events
The somewhat tricky differences between mutually exclusive, non-mutually exclusive, independent, and dependent events are defined here. Common items such as coins, colored cubes, and a deck of cards are all part of the easy-to-understand...