Try This

[D6Champ]

Here is a math trick so unbelievable that it will stump you.

1. Grab a calculator. (you won't be able to do this one in your head)
2. Key in the first three digits of your phone number (NOT the area code)
3. Multiply by 80
4. Add 1
5. Multiply by 250
6. Add the last 4 digits of your phone number
7. Add the last 4 digits of your phone number again.
8. Subtract 250
9. Divide number by 2

Do you recognize the answer?

Im sure someone seen this before but if not give it a try.

[Dippy]

Wow 8) Someone had alil too much time on there hands

[Gunner18]

the good dr., dr. gresh showed our math class that trick a few days ago...its pretty freaky deaky

[old school]

What do you do if your first digit (last 4) of your phone number is 0

[everett8604]

it took me awhile, but now i got it, i think its pretty neat!!

[TheAnalyst]

oldschool,
my first digit of last four is 0 and it worked for me. I got confused on the part where it said add last four numbers to the total. If your last four digits are 0111, add 111 to the total, not 3 (1+1+1), and hopefully it will come out ok.