Area - squares and rectangles

What happens to the area and volume of 2D and 3D shapes when you enlarge them?

Are these statements always true, sometimes true or never true?

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

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

Arrange your fences to make the largest rectangular space you can. Try with four fences, then five, then six etc.

A follow-up activity to Tiles in the Garden.

How many tiles do we need to tile these patios?

An activity for high-attaining learners which involves making a new cylinder from a cardboard tube.

Weekly Problem 21 - 2012
Two rectangles are drawn in a rectangle. What fraction of the rectangle is shaded?