The 1979 Trick


1. Pick any number between 70 and 979:
2. Add it to 1979:
3. Remove the thousands digit and add it to the remaining number:
4. Now subtract your last result from your original number:
5. Your answer is 19.

Here is an example:

1. Pick any number between 70 and 979:
Pick 840.

2. Add it to 1979:
840 + 1979 = 2819

3. Remove the thousands digit and add it to the remaining number:
819 + 2 = 821

4. Now subtract your last result from your original number:
840 - 821 = 19

5. Your answer is 19.


Send any comments or questions to: David Pleacher