Construction - September 2005, Stage 2&3

Problems

Dotty Relationship

Stage: 2 Challenge Level:

Can you draw perpendicular lines without using a protractor? Investigate how this is possible.

Stage: 2 Challenge Level:

This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!

Yin Yang

Stage: 2 Challenge Level:

Can you reproduce the Yin Yang symbol using a pair of compasses?

Stage: 3 Challenge Level:

Can you mark 4 points on a flat surface so that there are only two different distances between them?

Property Chart

Stage: 3 Challenge Level:

A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?

Shapely Pairs

Stage: 3 Challenge Level:

A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...