Area - squares and rectangles

These rectangles have been torn. How many squares did each one have inside it before it was ripped?

Can you put these shapes in order of size? Start with the smallest.

Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.

How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

What is the total area enclosed by the three semicicles?

Weekly Problem 9 - 2006
What fraction of the area of the rectangle is shaded?

How long will it take six gardeners to dig six circular flower beds?

Work out the radius of a roll of adhesive tape.

Change the squares in this diagram and spot the property that stays the same for the triangles. Explain...

If a new and an old television have screens of the same area, what is the ratio of their widths?