Volume 7, Number 38

23 September 2002 Vol. 7, No. 38 THE MATH FORUM INTERNET NEWS Learning to Teach with Technology Studio Probability Explorer 2.0 - H. Stohl | Pulchritudinous Primes LEARNING TO TEACH WITH TECHNOLOGY STUDIO (LTTS) ONLINE PROFESSIONAL DEVELOPMENT OPPORTUNITY http://ltts.org/ LTTS is offering an online professional development module entitled "Scientific Graphs and Charts: How can my students use technology to organize and present their inquiry data?" In this module, teachers design and plan a science inquiry unit that will teach their students how to organize and present their own inquiry data using computer software programs. http://www.ltts.org/system/catalog/primary/cat_module20.html The course will start on October 1st and it will require about 25 hours of work. LTTS is looking for people who: - teach upper elementary or middle school - feel that a science education professional development course would be helpful to them - have regular computer and Internet access - know how to use email and how to attach documents to email messages - have not completed an LTTS course in the past twelve months If you are interested: 1. Send an email message to ltts@indiana.edu, expressing your interest in participating in the professional development opportunity and telling your name, email address, and grade level you teach. 2. Go to http://ltts.org/ and register as a member of LTTS so that you can be enrolled in the system in time for the October 1st start. If you are already a registered member of LTTS, you do NOT have to re-register, though you may want to verify that your registration information is up-to-date. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- PROBABILITY EXPLORER 2.0 - Hollylynne Stohl http://www.probexplorer.com/ Probability Explorer is an open-ended learning environment for representing data in multiple ways. This Windows download engages students in designing, simulating, and analyzing results of probability experiments. Data are represented in Probability Explorer with randomly generated icons that can be sorted, stacked (in a pictograph) or lined up in the sequence in which they occurred. A Pie Graph (relative frequency), Bar Graph (frequency), and Data Table (counts, fractions, decimals, and percents) are also available to display results in both static form as well as changing dynamically during a simulation. Demo version available for download http://www.probexplorer.com/demo.html All features are available in the demo, except the ability to save and print. In addition, in any given experiment the number of trials allowed is limited to 500 Full version is available for purchase http://www.probexplorer.com/order.html Single User $18; see site for multi-user licenses -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- PULCHRITUDINOUS PRIMES - Adrian J.F. Leatherland Visualizing the Distribution of Prime Numbers http://yoyo.cc.monash.edu.au/~bunyip/primes/ Author Adrian Leatherland visualizes the distribution of primes: - Visualizing Primes in 2D - Visualizing Primes in 3D - Prime Island! - The Ulam Spiral Phenomenon - Triangle Numbers on the Ulam Spiral With introductory remarks on "Why primes?" and "Why visualize primes?" -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors Donations http://www.drexel.edu/ia/mathforum/ _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \

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