The Famous Jinx Puzzle
Student  page  1
Revised  5.4.19

Here is a puzzle that may surprise you. Follow these steps:
 
Pick a number (1-10)    __________
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 again with 3 different 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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