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Square Roots of Perfect Squares 1 to 20 and beyond

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Perfect Square
Square Root
What is the Square Root of 1?   1  
What is the Square Root of 4?   2  
What is the Square Root of 9?   3  
What is the Square Root of 16   4  
What is the Square Root of 25?   5  
What is the Square Root of 36?   6  
What is the Square Root of 49?   7  
What is the Square Root of 64?   8  
What is the Square Root of 81?   9  
What is the Square Root of 100?   10  
What is the Square Root of 121?   11  
What is the Square Root of 144?   12  
What is the Square Root of 169?   13  
What is the Square Root of 196?   14  
What is the Square Root of 225?   15  
What is the Square Root of 256?   16  
What is the Square Root of 289?   17  
What is the Square Root of 324?   18  
What is the Square Root of 361?   19  
What is the Square Root of 400?   20  
What is the Square Root of 625?   25  
What is the Square Root of 2500?   50  
What is the Square Root of 5625?   75  
What is the Square Root of 10000?   100  
What is the Square Root of 40000?   200  
What is the Square Root of 90000?   300  
What is the Square Root of 160000?   400  
What is the Square Root of 250000?   500  
What is the Square Root of 360000?   600  
What is the Square Root of 490000?   700  
What is the Square Root of 640000?   800  
What is the Square Root of 810000?   900  
What is the Square Root of 1000000?   1000  
What is the Square Root of 100000000?   10000  
What is the Square Root of 10000000000?   100000  
What is the Square Root of 1000000000000?   1000000  
What is the Square Root of 25000000?   5000  
What is the Square Root of 2500000000?   50000  
What is the Square Root of 250000000000?   500000  
What is the Square Root of 25000000000000?   5000000  
441   21  
484   22  
529   23  
576   24  
625   25  
676   26  
729   27  
784   28  
841   29  
900   30  
5 not a perfect []   2.236 not a perfect []  


   


 
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Created by: cforsythe