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Maths

Number patterns

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Square numbers

Square numbers are formed by multiplying a number by itself.

The first four square numbers are
1 × 1 = 1
2 × 2 = 4
3 × 3 = 9
4 × 4 = 16

Each square number can be represented as a square of dots.

Square numbers represented by dots aligned as squares
Question

Write down the next six square numbers (from 5 onwards). Then check your answer.

Answer

5 × 5 = 25, 6 × 6 = 36, etc.

So the next square numbers are:
25, 36, 49, 64, 81 and 100

Activity

Number patterns activity

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