Do you like math or just like to have fun with numbers? Well here's some great tricks for you to dazzle your friends with.

Mystery Answer  

For this trick, you will need a pencil and two pieces of paper. First write down your number on one of the sheets of paper. Fold your paper so that your friend can’t see it. Now give a sheet of paper to your friend. Tell him or her to think of a number and then write it down. But before he or she writes it down, tell him or her to have a three-digit number and have the largest number first then the smaller number and then the smallest number. For example: 742 or 971. Tell him not to let you see his number. Let’s pretend that the number is 861. Next tell him or her to turn the number around. The number would be 168. Now tell him or her to subtract the smallest number from the largest one. This would be 693. Now ask your partner to turn that number around and then the number would be 396. Now add them both together. This would be 1089. Now give him or her your paper and then watch his face when he sees that your number was 1089. The answer is always going to be 1089 so always write that number down. 

Name the Number

You’ll need a pencil and a piece of paper. Give them to your friend and ask him to think of a number between 1 and 10. Then tell him or her to write their number on the sheet of paper. Have him or her put the paper where no one can see it! Let’s pretend your number is 6. You have to double it (12). Then tell him or her to add ten to the answer (22) and then divide that by two (11). Now tell your friend to yell out his or her final number (11). When he or her yells out their number all you have to do is subtract 5 (6). The trick will work every time.  You have the simple job and your partner has the hard job. You can also use higher numbers than 10  such as 12 or 105.

Find the Dates

You will need two pieces of paper a pencil and another sheet of paper numbered from 1 to 31. Give the sheet of paper with numbers on it to your friend. Have him or her circle three numbers in a row. For example 17, 18, and 19. Now tell your friend to add the three numbers together. For example, 54. Tell him or her to write their answer down on a sheet of paper and give the piece of paper to you. All you have to do is divide the answer by 3. For example, 54 divided by 3 equals 18. The number you come out with will be the middle number. So now you add 1 to 18 (19) and subtract 1 from 18 (17). Now you can do this with any number.

                           More Info

With this trick you can tell someone their age the month that they were born in and the day they were born on. Now tell your friend to:
1)   Write down the number of the month they were born on.
2)   Multiply by 100.
3)    Add the day of the month they were born on.
4)  Multiply by 2.
5)  Add 9.
6)  Multiply by 5.
7)  Add 8.
8)  Multiply by 10.
9)  Subtract 419.
10)Add his age.
11)Subtract 111.

The 2 digits on the right is the person’s age. The 2 digits on the left from the person’s age is the day that they were born on. The numbers that are left are the month your friend was born in.

Here is an example: Pretend that the person’s age is 16 and was born on November 4^th.
1)    He writes down 11 for November.
2)  He multiplies by 100:1100
3)   He adds the day of the month, 4:1104
4)  He multiplies by 2:2208
5)  He adds 9:2217
6)  He multiplies by 5:11085
7)  He adds 8: 11093
8)  He multiplies by 10:110930
9)  He subtracts 419:110511
10) He adds his age: 110527
11) Then he subtracts 111 and he gets 1110416.

The 2 numbers on the right tell you he is 16. The middle numbers tells you the day of the month he was born. The first 2 numbers tell you he was born in the 11^th month, November.

                     Age and Address Please

  Let’s suppose that someone is 31 years old and lives at 2979 Brunswick.  Tell the person these instructions:                                                              

1) Write down their street number: 2979
2) Double it: 5958
3) Add 5: 5963
4) Multiply by 50: 298150
5) Add the person’s age (31): 2981181
6) Add the number of days in a year (365): 298546

  The person tells you their result.  You subtract 15 from the last two numbers and get the person’s age (46-15=31).  You subtract 6 from the remaining number to get the person’s address (2985-6=2979).

  Old Enough

  Give a person these instructions:                        

1)Write down your age (actually you can just write down any number if you want).
2)  Multiply it by 3.
3)  Add 1 to the total
4)   Multiply that by 3
5)   Add the original number (your age)

 Then you ask for the total.  Suppose that someone writes down 23.  They multiply it by 3 getting 69.  The person adds 1 getting 70.  It is multiplied by 3 equaling 210 and the original number is added which equals 233.  When you are told this number you take away the last digit.  This gives you 23, which is the original number.

  Have a Roll

 You will need 3 dice.  Give the person 3 dice saying, “When my back is turned please roll these 3 dice.”  Now tell the person these directions:
1)   Multiply the number on die one by 2.
2)   Add 5
3)   Multiply by 5
4)   Add the number from die 2 to the total
5)   Multiply by 10
6)   Add the number on die 3 to the total

Finally say, “What total did you get?” You subtract 250 from the number.  Suppose the person tells you 612.  612-250=362.  So the numbers showing on the dice are 3, 6, and 2.