A directory of useful objects found on the web for teaching Maths.

applies Pythagorasâ€™ theorem to calculate side lengths in right-angled triangles, and solves related problems

- GeoGebra HowTo: Construct a Rhombus
- GeoGebra, Tutorial | PDF
- Pythagorean Dates
- Activity, Worksheet - Print | Excel, PDF, Word
- Perimeter Homework Sheet
- Homework Sheet | PDF