You may also like

problem icon

Exploring Diagonals

Move the corner of the rectangle. Can you work out what the purple number represents?

problem icon

Drawing Polygons

I wonder which polygons we can draw on dotty paper...

problem icon

Drawing Squares

Take a look at the video showing squares drawn on dotty grids...

Coordinates of Corners

Stage: 3 and 4

Move the dots below to make some squares. Can you make a variety of squares whose sides are not parallel to the axes?

If you have a set of four coordinates, is there a quick way to decide (without drawing) whether they form a square?

Want to share what you've done? Got any interesting questions or ideas? 
Send us your thoughts.