# Math trick to square numbers from 50 to 59

Use this math trick to square numbers from 50 to 59 in 2 seconds or less. Let us see how the trick works.

Start by writing down the first part of the answer as shown below

502 = 25___

512 = 26___

522 = 27___

532 = 28___

542 = 29___

552 = 30___

562 = 31___

572 = 32___

582 = 33___

592 = 34___

Notice that for 512, all you need to do is to add 1 to 25 to get the first part of the answer

By the same token, for 542, all you need to do is to add 4 to 25 to get the first part of the answer

Now here is how to find the second part of the answer that you will write on the right side of the first part.

Square the number in the ones place. If the number you get after squaring is less than 10, just put a zero on the left.

For example, for 542, square 4. Since 42 = 16, just put 16 next to 29

542 = 2916

For 532, square 3. Since 32 = 9 and 9 is less than 10, just put 09 next to 28

532 = 2809

502 = 2500

512 = 2601

522 = 2704

532 = 2809

542 = 2916

552 = 3025

562 = 3136

572 = 3249

582 = 3364

592 = 3481

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