Activity 1 To make a square root spiral.
Activity 5 To verify the identify (a-b)^3= a^3-3ab (a-b)-b^3, for simple cases using a set of unit cubes.
Activity 13 To Verify the Mid- point theorem.
Some More Activities
Activity 6 To verify Pythagoras theorem by shading method using squared paper.
Activity 8 To verify by shading, the ratio of areas of two similar triangles is equal to the square of the ratio of their corresponding sides.
10. GeoGebra Lessons