134 threads found:
- Scale factor
How to teach scale factor to 7th graders. - Date of thread's last activity: 17 March 2008 - Approximations of pi
Deciding which approximation of pi to use in various situations. - Date of thread's last activity: 13 March 2015 - Cylinders
Helping students design a cylinder with the optimal volume and minimal surface area. - Date of thread's last activity: 29 February 2008 - Polyhedra and Euler's formula
Teaching properties of polyhedra to elementary children. - Date of thread's last activity: 13 April 2008 - Parallel lines
Helping students to understand more about parallel lines by visualizing planes that cut through 3-dimensional figures. - Date of thread's last activity: 2 April 2008 - Introduction to volume
Activities for introducing volume. - Date of thread's last activity: 25 January 2008 - Surface Area of Prisms
Teaching a formula for surface area of a prism. - Date of thread's last activity: 3 October 2009 - Measuring the area of circles
Why we use square inches to measure the area of circles. - Date of thread's last activity: 11 December 2007 - Right angles
Teaching young children about squares and right angles. - Date of thread's last activity: 14 May 2008 - The Golden Ratio
Resources and suggestions for teaching the Golden Ratio. - Date of thread's last activity: 1 December 2007
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