Quadrilaterals

Use the information on these cards to draw the shape that is being described.

The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Can you recreate squares and rhombuses if you are only given a side or a diagonal?

Weekly Problem 44 - 2010
Extend two of the sides of a nonagon to form an angle. How large is this acute angle?

A task which depends on members of the group noticing the needs of others and responding.

A task which depends on members of the group noticing the needs of others and responding.

Explore the shape of a square after it is transformed by the action of a matrix.

This quadrilateral has an unusual shape. Are you able to find its area?

Investigate the properties of quadrilaterals which can be drawn with a circle just touching each side and another circle just touching each vertex.