Square of a Number - Shortcut, Tips

You can find the square of a number within seconds from this mathematical shortcut. Here, two types of tips are given to find the square of a number. They are, 2 digit number which ends in 5 and any 2 digit number.

Find Square of a Number

Tips 1: Two Digit Number which ends in 5

Step:1
Multiply the first digit of number, with the next to its number.
Ex: 35 is the number you want to square. 3 x 4 = 12

Step:2
Finally add 25 at the end of the result.

Answer: 1225

Tips 2: Any 2 Digit Number

Ex: 47

Step:1
Look for the nearest 10 boundary.
3 from 47 to 50

Step:2
Since we went up 3 to 50, now go down 3 from 47 to 44.

Step:3
Now mentally multiply 44 x 50 = 2200 - 1st answer.

Step:4
47 is 3 away from the 10 boundary 50, Square 3 as 9 - 2nd answer.

Step:5
Add the first and second answer, 2200 + 9

Answer: 2209

Squaring the numbers is made easier from the above shortcut/tips. Enjoy it with Fun!


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