The Famous Jinx Puzzle
Student's page 1
Revised 6.7.10

Here is a puzzle that will jinx you. Follow these steps:
 
Pick a number   __________
Add 11          __________
Multiply by 6   __________
Subtract 3        __________
Divide by 3         __________
Add 5                 __________
Divide by 2        __________
Subtract the
original number
__________
Your answer is: __________

Does this puzzle always work? (That is, are you always jinxed with the number 13?)
Try it with any 3 numbers. They don't have to be between 1 and 10.



First number
Second number
Third number
Pick a number



Add 11



Multiply by 6



Subtract 3



Divide by 3



Add 5



Divide by 2



Subtract the original number



Your answer is:




Do you think you will always get 13 no matter what number you try?
Could you find a number that will unjinx the jinx puzzle?

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