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221. 17-gon with straight-edge and compass
     An explination of Gauss' construction of a heptakaidecagon (17-gon) using a ruler and a compas
     - Date of thread's last activity: 14 October 2009

222. Math Videos
     Math videos on the market.
     - Date of thread's last activity: 4 October 2009

223. Surface Area of Prisms
     Teaching a formula for surface area of a prism.
     - Date of thread's last activity: 3 October 2009

224. Geometry
     Finding definitions for mathematical terms
     - Date of thread's last activity: 24 September 2009

225. Graphing calculator for low vision student
     Finding an emulator for the TI-81, and other resources for visual and hearing impairments
     - Date of thread's last activity: 23 September 2009

226. Teaching dividing fractions
     An activity for finding an algorithm.
     - Date of thread's last activity: 18 September 2009

227. Factoring the sum and difference of two cubes
     How to factor the sum and difference of two cubes; how to teach it.
     - Date of thread's last activity: 10 September 2009

228. Need Teacher's Ed Vol 1for Calculus by Swokowski
     - Date of thread's last activity: 2 September 2009

229. New examples of growth in calculus
     Where to look for growth/decay application problems.
     - Date of thread's last activity: 30 August 2009

230. Decomposing numbers
     State Standards include "decomposing numbers". What does it mean?
     - Date of thread's last activity: 23 August 2009

231. Teaching Math as a language
     - Date of thread's last activity: 23 August 2009

232. Plotting points on a graph
     When is it appropriate, and not appropriate, to connect the points on a graph?
     - Date of thread's last activity: 13 August 2009

233. Homeschooling Math
     Suggestions for assisting an 6th grade homeschooler in math
     - Date of thread's last activity: 27 July 2009

234. Integrating math and biology
     Integrating Math and Biology
     - Date of thread's last activity: 16 July 2009

235. Probability and statistics activities
     Internet sites with projects for probability and statistics in high school.
     - Date of thread's last activity: 30 June 2009

236. A homeschooled child in my class
     Suggestion for providing challenge for students who have mastered material being taught.
     - Date of thread's last activity: 22 June 2009

237. Software for algebra and geometry
     Ideas for using software with struggling high school math students
     - Date of thread's last activity: 10 June 2009

238. Probability
     Helping students understand the outcomes of sums when rolling two dice.
     - Date of thread's last activity: 7 June 2009

239. Topics for brief (2-3 page) paper
     Looking for writing topics for high school students in mathematics
     - Date of thread's last activity: 27 May 2009

240. Math modeling
     Resources for ecology and math modeling
     - Date of thread's last activity: 19 May 2009

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