Volume 3, Number 25

22 June 1998 Vol. 3, No. 25 THE MATH FORUM INTERNET NEWS Teacher2Teacher | PBS Mathline | Optical Illusions - Newbold TEACHER2TEACHER - The Math Forum http://mathforum.org/t2t/ Do you have a question about teaching mathematics? Are you wondering about the ways your children are learning math? Teacher2Teacher, a new service hosted by the Math Forum, is here to help. Our panel of teaching professionals, Presidential Awardees for Excellence in Mathematics Teaching, is available to answer your questions. Topics can range from classroom teaching techniques to finding good Internet resources for professional development. To look for ideas: Browse our archives http://mathforum.org/t2t/browse/ Conduct a search http://mathforum.org/t2t/search/ If you have a question: Ask T2T http://mathforum.org/t2t/ask/ Join a public discussion http://mathforum.org/t2t/discuss/ \|/ For help with a math problem or mathematics in general, please use our Ask Dr. Math service: http://mathforum.org/dr.math/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- PBS MATHLINE http://www.pbs.org/learn/mathline/index.html The Public Broadcasting System's Math Service. Combining computing and telecommunications technologies, public television offers interactive data services in addition to interactive video and voice services for education based on the NCTM Standards. The PBS Mathline site features: - Math Concepts: multi-day activities developed around a variety of themes, easy to use and to adapt to existing curricula. - Teaching Tips on ideas such as questioning techniques, cooperative learning, classroom climate, and inclusion. - Math Challenges: puzzles, brain-teasers, and problem- solving activities for the classroom. - Career Connections: profiles of real people who tell about their careers and how they use mathematics in their everyday lives. - Assessment: its importance in the teaching/learning process, what and how you assess, and how results might be interpreted. - Resources: organizations, schedules for events and contests, and suggested print, non-print, and electronic materials. Educators are invited to join Mathline's professional development program: http://www.pbs.org/learn/mathline/join/join.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- OPTICAL ILLUSIONS - Mark Newbold's Java Stuff http://www.sover.net/~manx/java.html Mark Newbold offers some entertaining geometric optical and/or stereoscopic illusions to explore: - Animated Necker Cube (wait for the fins) http://www.sover.net/~manx/necker.html - Counter-Rotating Spirals Illusion http://www.sover.net/~manx/spirals.html Newbold has also created four stereoscopic animated hyperspace objects based on the same applet; click twice on the Stereo button and merge the images visually: - Stereoscopic Animated Hypercube http://www.sover.net/~manx/hyprcube.html - Stereoscopic Animated 24-Cell Object http://www.sover.net/~manx/cell24.html - Stereoscopic Animated Cross-Polytope http://www.sover.net/~manx/crosspoly.html - Stereoscopic Animated Simplex Object http://www.sover.net/~manx/simplex.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- 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/students/ Internet Resources http://mathforum.org/~steve/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \

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