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: 16 March 2008
- 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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