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A short video showing how to show the volume of a cuboid is length × width × height, by cutting a block of cheese into cubes.

How to show the volume of a cuboid = length x width x height slideshow

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Click to see a step-by-step slideshow.
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WHAT YOU NEED: ruler, pen, cheese and a knife.
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STEP 1: Lay the block of cheese flat. Use a ruler to mark 4 cm on the bottom edge and 3 cm on the side.
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…turn the cheese on its side and mark 2 cm on its side.
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STEP 2: Use a knife to cut a block off the cheese, using the marks as guides.
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STEP 3: Use the ruler and make a mark every 1 cm along the length of the cheese. Repeat on all sides.
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…use the knife to cut the cheese into 1 cm cubes, using the marks as guides.
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STEP 4: Count all the blocks then arrange them back into a cuboid. You can see that the total number of blocks in the cuboid is the same as the length × width × height. This is the volume of the cuboid. Here it is 2 cm x 3 cm x 4 cm = 24 cm³

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