NCTM Illuminations
http://illuminations.nctm.org/
Since we last featured NCTM's Illuminations site, they've
revised and expanded their content and redesigned their logo.
New activity:
Free Ride
http://illuminations.nctm.org/ActivityDetail.aspx?ID=178
Use ratios to complete a bicycle race.
Revised activities:
Concentration
http://illuminations.nctm.org/ActivityDetail.aspx?ID=73
Use numbers, shapes, fractions, decimals, percents.
Circle Tool
http://illuminations.nctm.org/ActivityDetail.aspx?ID=116
For grades 6-8; explore relationships among radius, diameter,
area, circumference.
New lessons, written by participants in the Illuminations
Summer Institute from July 2008:
Linear Alignment
http://illuminations.nctm.org/LessonDetail.aspx?id=L771
Planning a Playground
http://illuminations.nctm.org/LessonDetail.aspx?id=L763
Illuminations Summer Institute
http://www.nctm.org/profdev/content.aspx?id=17308
Applications are now being accepted for the 2009 Illuminations Summer Institute, a two-week intensive residential program, held at the NCTM headquarters in Reston, VA. The online application submission deadline is Friday, May 1.
Handheld Geometry
http://www.handheldgeometry.co.uk/
This is a dynamic geometry site for handheld devices and
graphing calculators, including the Cabri™ Jr. Application for the
Texas Instruments TI83+ and TI84+, and the TI-Nspire™.
- Teaching
- Reviews
- Puzzles
- RSS
- Help
- Links
Click "Teaching" or "Puzzles" to browse geometry construction lessons and challenges. Site owner Nevil Hopley, Head of Mathematics at George Watson's College (Edinburgh), welcomes your own contributions, and has offered to turn them into movie files like the Cabri Jr. tutorial, already available for download.
