Determine Your Birthday - Math Number Trick
Just follow the steps with a calculator or by hand for building math skills! Go ahead and try the trick without cheating!

• Add 18 to your birth month
• Multiply by 25
• Subtract 333
• Multiply by 8
• Subtract 554
• Divide by 2
• Add your birth date
• Multiply by 5
• Add 692
• Multiply by 20
• Add only the last two digits of your birth year
• Subtract 32940 to get your birthday!

The answer’s format is: month/day/year.  For example, an answer of 123199 means that you were born on December 31, 1999.  If the answer is not right, you followed the directions incorrectly or lied about your birthday.

Finding Someone’s Age - Number Trick

• Ask the person to multiply the first number of his or her age by 5.
• Tell them to add 3.
• Now tell them to double this figure.
• Finally, have the person add the second number of his or her age to the figure and ave them tell you their answer.
• Deduct 6 and you will have their age.