Learn Math Trick Birth Day (3)

This is the Step 3

Now we have (Total Number from step 2) in our mind

Please see below picture

Math Trick Birth Day (3)

Is your birth date is in the picture?

If yes, please remember the left top corner number (it is 4) in your mind

and then add it with the Total Number from step 2, if no please add zero (0)

(Total Number from step 2) + (4 or 0) = ???

let say the result in this step is : Total Number from step 3

go to next step