Multiplication of 5 with any number
Connect zero at the last of number and then make the half of
it
Examples
1. 49 x 5 = 490/2 =
245.
2. 453 x 5 = 4530/2 = 2265.
3. 5649 x 5 = 56490/2 = 28245.
Mathematics Village ( Short-Cuts in Math )