Last time we have seen how to square a number that is ending with ‘5’
Now we will see how to square a number beginning with ‘5’
i.e. 50, 51, 52, 53, 54, 55, 56, 57, 58, 59
| Square of 53 | Add 25 to the digit in the units place and put it as the left-hand part. 25 + 3 = 28. Left Part = 28 |
| Square the unit place digit and put it as the right hand part of the answer. The square of 3 is 9 but write 09. Right Part = 09 | |
| Left Part Right Part
28 09 |
|
| Ans | 2809 |
| Square of 57 | Add 25 to the digit in the units place and put it as the left hand part. 25 + 7 = 32 Left Part = 32 |
| Square the unit place digit and put it as the right hand part of the answer. The square of 7 is 49 and keep it as 49. Right Part = 49 | |
| Left Part Right Part
32 49 |
|
| Ans | 3249 |
| Square of 56 | Left Part Right Part
25 + 6 = 31 6 x 6 = 36 Ans : 3136 |
| Square of 53 | Left Part Right Part
25 + 3 = 28 3 x 3 = 09 Ans : 2809 |
| Square of 52 | |
| Sauare of 55 | |
| Square of 58 | |
| Square of 59 |