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Watch: Square and cube numbers

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What is a square number?

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A square number is a number multiplied by itself. This can also be called 'a number squared'. The symbol for squared is ².

2² = 2 x 2 = 4

3² = 3 x 3 = 9

4² = 4 x 4 = 16

5² = 5 x 5 = 25

The square numbers up to 100 are:

1, 4, 9, 16, 25, 36, 49, 64, 81, 100

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What is a cube number?

A cube number is a number multiplied by itself twice. This can also be called 'a number cubed'. The symbol for cubed is Âł.

2Âł = 2 Ă— 2 Ă— 2 = 8

3Âł = 3 Ă— 3 Ă— 3 = 27

4Âł = 4 Ă— 4 Ă— 4 = 64

5Âł = 5 Ă— 5 Ă— 5 =125

The cube numbers up to 100 are:

1, 8, 27, 64

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