See below for links:
They are all related to dimensional change and similar polygons.
Dimensional change questions I
Dimensional change questions II
Dimensional change questions III : Similar Triangles
Par II:
Tangent Segments and Similar Triangles from Mathcounts Mini
If you have more time, download the extra word problems to see if you can solve them at
reasonable speed and accuracy.
Online timed test and problem of the week will be sent out through e-mail.
Time: 40 minutes without a calculator.
The Monty Hall Problem explained
