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