How do I find the square root of something? i.e. 2025

Question

How do I find the square root of something? i.e. 2025 
DON'T answer; tell me how

Jack · Answer

You can guess and check -- play high-low by picking numbers and squaring them until you zero in on the correct one, or use the algorithm explained in the third Google result for 'calculate square root' entitled 'calculate square root without a calculator.

Ms. Sue · Answer

Most people enter the number and hit the square root key on a calculator.

To find a square root without a calculator, check these sites.

http://mathforum.org/dr.math/faq/faq.sqrt.by.hand.html

http://www.factmonster.com/ipka/A0932229.html

Anonymous · Answer

(Same as questioner) Jack- Thanks! Ms. Sue- Thanks! Only problem is my teacher's strict on using calculators or not.

manny · Answer

memorize some squares Ex.) 12^2 = 144 so... sqrt(144) = ???