This worksheet is about working out powers in your head.
Examples
Write down the following without using a calculator.
Check your answers on your calculator.
Keep practising those you did not know until you know them all by heart.
13^{0}  = 

any number raised to the power 0 is 1
100^{1/2}  = 

when you raise a number to the power ½, you are finding the positive square root of the number
1000^{1/3}  = 

when you raise a number to the power 1/3, you are finding the cube root of the number
10^{3}  = 

this is cubing the number, i.e. 10 x 10 x 10