Area - squares and rectangles

Can you work out the side length of a square that just touches the hypotenuse of a right angled triangle?

We started drawing some quadrilaterals - can you complete them?

Here's a neat trick you can do with an 11 by 11 square...

Can you deduce the perimeters of the shapes from the information given?

What is the largest 'ribbon square' you can make? And the smallest? How many different squares can you make altogether?

These practical challenges are all about making a 'tray' and covering it with paper.