Question

Can anyone give me a magic trick which related to math. plz give me ur best. i will mark u as brainlist.

Answer 1

hey dear, 

fast multiplication of 2 digits...

Answer 2

Guessing Age and Shoe Size

Ask a volunteer to write down her age
Have her multiply it by 5.
Write a zero at the end of the answer. 
Add today's date
Double the answer.
Add the volunteer's shoe size.
Subtract twice today's date
Reveal the magic