The symbol for squared is ². A cube number is a number multiplied by itself 3 times. This can also be called 'a number cubed'.The symbol for cubed is ³.

\({9}\) is a square number. \(3 \times 3 = 9\) \(3 \times 3\) can also be written as \(3^2\). This is pronounced "\({3}\) squared". \({8}\) is a cube number. The ...