Maths Revision: Square Roots

Yay, calculator work :)

The SQUARE ROOT of a number is usually found using a calculator. Type 144 and then the square root sign = 12.

Its so easy. Any number multiplied by itself is the same as saying that number squared.

To get the sqare root of a number you need to find out which number is multiplied by itself.

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144

1x1=1

2x2=4

3x3=9

4x4=16

5x5=25

6x6=36

7x7=49

8x8=64

9x9=81

10x10=100

11x11=121

12x12=144