Shortcut to multiply any 2 numbers whose difference is 2

Today you will be learning another amazing shortcut way of multiplying any 2 numbers.This trick is especially effective to use when the number in between the 2 numbers to be multiplied is 5.You will see why……

Let us go through the steps

Step 1:Identify the number in between the 2 numbers.

Step 2:Find the square of the number identified in step 1.

Step 3:Subtract 1 from the result obtained in step 2.

Let us now consider few examples to understand better

Example 1:12 x 14=?

Notice that there is difference of 2 between the numbers 12 and 14.

We shall now apply the trick that we learnt
Step 1:We find that 13 lies in between 12 and 14.

Step 2:Squaring 13 we get
13²=169

Step 3:Subtracting 1 from the result obtained in step 2
We get 169 -1=168

Ans 12 x 14=168

Example 2:24 x 26=?

Step 1:We find that 25 lies in between 24 and 26.

Step 2:Squaring 25 we get
25²=625
(Use the shortcut trick to square any number ending in 5)

Step 3:Subtracting 1 from the result obtained in step 2
We get 625 -1=624

Ans 24 x 26=624