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

Exploring Area

I wonder what we can find out about the areas of polygons drawn on dotty grids...

Drawing Squares

Stage: 3 and 4


For ideas on how this problem and others from the Dotty Grids Collections can be used in the classroom, you may be interested to read this article.


A printable version of this problem is available as a Word or Pdf file.




For consideration: Matt and Emmy Videos

Version 1


Version 2
(The second speech bubble is missing the word 'dots?') 

Version 3