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Activity
National Council of Teachers of Mathematics

The Math Forum: Drexel University: Boy or Girl?

For Students 9th - 10th Standards
Dr. Math explores the probability of the children in families being boys or girls. A look at the mathematics involved in each situation is included.
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Probability: Tree Diagrams

For Students 5th - 8th
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...
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Unit Plan
CK-12 Foundation

Ck 12: Probability: Counting Rule to Calculate Probabilities

For Students 7th Standards
[Free Registration/Login may be required to access all resource tools.] Find probabilities of specified outcomes using the Counting Principle.
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Unit Plan
CK-12 Foundation

Ck 12: Probability: Venn Diagrams

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Covers the definition of Venn diagrams and how to use them.
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Lesson Plan
Alabama Learning Exchange

Alex: Making Compound Probability Simple

For Teachers 9th - 10th Standards
This lesson plan asks students to find all the possible outcomes from a compound event. Students will create a powerpoint, booklet, or foldable to demonstrate their understanding of the methods for solving compound events. It also...
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Unit Plan
Oswego City School District

Regents Exam Prep Center: Mutually Exclusive & Independent Events

For Students 9th - 10th Standards
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...
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Handout
Yale University

Yale University: Probability Models

For Students 10th - 12th Standards
A general description of probability, probability rules, and Venn diagrams.
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Activity
Richland Community College

Richland Community College: Introduction to Probability

For Students 9th - 10th Standards
This site from Richland Community College provides an overview of probability including a list of probability rules. Several examples using dice are included.
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Handout
United Nations

Unesco: Measures of Dispersion

For Students 9th - 10th Standards
Explanation of the different measures of dispersion (range, interquartile range, and standard deviation) are given.
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Activity
Interactive Mathematics

Interactive Mathematics: Probability of an Event

For Students 9th - 10th Standards
The definition and properties of probability are given along with examples of how to find the probability of an event. Links are included for interactive probability games involving birthdays and the lottery.
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Website
Other

Herbert Art Gallery and Museum

For Students 9th - 10th
At the online home of the Herbert, you can sample its collections of visual art, archaeology, natural history, social history, and take an online tour of its galleries, studios, and learning spaces.
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Website
NASA

Nasa: Lunar History

For Students 9th - 10th
A current history of our exploration and general facts about the Moon.
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Lesson Plan
PBS

Pbs Teachers: Demonstrating the Distances of Stars

For Teachers 9th - 10th
Investigate the use of the parallax effect for determining distance in space, and explore the arrangement and relative distance of stars in the galaxy. Create a sample star field and transform it into a three-dimensional model.

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