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Activity
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Random Number Generator Model

For Teachers 9th - 10th
This downloadable java simulation is an interactive linear congruent random number generator model. Students use paper and pencil to calculate the first few terms and then use the generator to check their calculations.
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Activity
Other

Random.org the True Random Number Service

For Students 9th - 10th
RANDOM.ORG offers true random numbers to anyone on the Internet. The site also offers a random coin toss program. People use the numbers to run lotteries, draws and sweepstakes and for their games and gambling sites.
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Lesson Plan
Google

Google for Education: Randomness in Stochastic Models

For Teachers 9th - 10th
In this lesson, students are introduced to methods used to create random numbers as well as ways in which they can be used in scientific experiments.
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Handout
Wolfram Research

Wolfram Math World: Random Number

For Students 9th - 10th Standards
Eric Weisstein's Mathworld site on the math behind random number generation. Good explanations and useful links make this site effective.
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Fours and Sevens, Oh My!

For Teachers 9th - 10th
Based off the hit television show NUMB3RS, this lesson introduces students to the concept of random numbers and shows how human-generated random numbers are not always "really" random. This is done by framing the lesson in terms of...
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: What Is Random

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson has students explore the conceptness of randomness, and to hopefully squash some student's ideas of what random really is. For example, the lesson points out that in a completely...
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Creating Random Numbers

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson introduces students to the notion of randomness and shows that some sequences are in fact just pseudo-random. Students then use a formula to create a series of pseudo-random...
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Activity
Texas Instruments

Texas Instruments: Numb3 Rs: That's So Random

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson shows students how apparently random data is not always quite so random. This is done with a standard deck of 52 cards, which students analyze after dealing for randomness. In...
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Activity
American Association of Physics Teachers

Com Padre Digital Library: Open Source Physics: Multiplicative Process Program

For Teachers 9th - 10th Standards
The mathematics resource uses a downloadable java applet to simulate the outcome of a product of random numbers. Examples of multiplicative processes include the distributions of incomes and rainfall.
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Activity
Cut the Knot

Cut the Knot: Probability Questions

For Students 9th - 10th
This site defines probability and has a computer-based random number generator. The site has links to more than 100 probability problems which require some prior statistical knowledge to solve, or they can be great "openers" for teachers...
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Activity
Khan Academy

Khan Academy: Simulation and Randomness: Random Digit Tables

For Students 9th - 10th Standards
Discusses how random digit tables are used and presents two problems. Answers are accompanied by explanations.
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eBook
Mathigon

Mathigon: Probability and Discrete Math: True Randomness

For Students 9th - 10th
This lesson focuses on randomness; it explains that what we often think of as random is only random because we do not have the tools to make better predictions. However, true randomness does exists -- at the very foundations of matter. A...
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Interactive
Calculator Soup

Calculator Soup: Random Number Generator

For Students 9th - 10th
Generate one or more random numbers within a range that you define. Enter the minimum and maximum for the range you want and enter the number of numbers you want generated.