6

Sign used for square root.

What are square numbers?

Square numbers are numbers found by multiplying the number by itself

Example : 1

1, 4, 9, 16, 25, 36, 49,

64, 81, 100, 121 , 144 ,

 ----,  ---- ,  -----,------,

 ------

Example : 2 square root of fractions.

Consider square root of numerator and denominator

5.Work out the square root of the following.

• 9/36
• 16/64
• 25/81
• 121/196
• 5 4/9
• 11  1/9
• 12  1/4

Answers

1. 3/6
2. 2/8
3. 5/8
4. 11/14
5. 7/3  or 2 1/3
6. 10/3 or 3  1/3
7. 7/2 or 3 1/2