Paper pool : Analyzing numeric and geometric patterns
In this unit of four lessons, students must gather and organize data, then search for patterns involving factors, multiples, and the relation of being relatively prime. Using either the applet supplied here or grid paper, Paper Pool is played with an imaginary ball hit from the lower left-hand corner of a rectangular grid (pool table) at a 45-degree angle. Students investigate the pocket into which the ball falls, the number of hits made as the ball crosses the table, and the number of squares c
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2000 - 2007 National Council of Teachers of Mathematics

Introduction to Limits
Part of the NCSSM Online AP Calculus Collection: This video is an introduction to limits. http://www.dlt.ncssm.edu
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Assessment in Science and Math-You WILL be Tested on This!
Workshop 5. You WILL Be Tested on This!: Standardized Testing (90 min.)

'Teachers are under pressure to get their students to perform well on state and national tests. Sometimes, however, it seems that too much attention is paid to these tests. This workshop considers how teachers can use standardized tests to focus their teaching on improved student performance in the classroom as well as on these external measures of success. Content Guide: K. Michael Hibbard.'

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Sarah, Plain and Tall
This video version of Sarah, Plain and Tall by Patricia MacLachlan includes text, narration, and pictures.  It is listed on the CoreStandards.org website as part of the suggested reading materials for grades 2-3.  (04:00)
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Feast, Famine and the Future of Food
A Cooperative Extension Specialist and faculty member at the University of California at Berkley, Lemaux's outreach and educational programming increases public understanding of agricultural practices, food production and the impact of new technologies on food and agriculture. Her research focuses on the development and use of genetic engineering and genomic strategies for cereals, wheat, sorghum, barley, rice, maize and certain grass species. In her Food for Thought lecture, Peggy discusses th
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iPhone & iPad Apps for Teachers: Today in History