Growing Rectangles
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
A colourful cube is made from little red and yellow cubes. But can you work out how many of each?
What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?
My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
How can you change the surface area of a cuboid but keep its volume the same? How can you change the volume but keep the surface area the same?
Use a single sheet of A4 paper and make a cylinder having the greatest possible volume. The cylinder must be closed off by a circle at each end.
An aluminium can contains 330 ml of cola. If the can's diameter is 6 cm what is the can's height?