Watch: Square and cube numbers
What is a square number?
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
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 ³.
2³ = 2 × 2 × 2 = 8
3³ = 3 × 3 × 3 = 27
4³ = 4 × 4 × 4 = 64
5³ = 5 × 5 × 5 =125
The cube numbers up to 100 are:
1, 8, 27, 64
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