3 squared

3² = 3 × 3 = 9

To square a number, multiply it by itself. 3 squared is written 3² or 3^2, and the answer is 9.

How to work out 3 squared

Direct: 3 × 3 = 9.
From the previous square: 2² = 4, and 3² = 4 + (2 × 3 − 1) = 4 + 5 = 9.

Related

3 cubed = 27
The square root of 9 is 3, so 9 is a perfect square.

Squares near 3

Number	Squared
1	1
2	4
4	16
5	25
6	36
7	49

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