IGNITE – Fun with Math. J. Sriskandarajah AMATYC Conference Anaheim, October 31, 2013 [email protected] Super Computation. Think of a 3 digit number, say 270 The final answer, adding four more three digit numbers to 270 is 2268?
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IGNITE – Fun with Math
Anaheim, October 31, 2013
Volunteer is asked to point out the tables in which the day of the month he or she was born. The predicted birthday is obtained by adding the entries in the second row, fourth column of the selected tables.
In five steps given below, you can easily predict the unknown card!Let’s roll!!
Suppose your participant has an Ace of Spades, which you are not aware.
Step 1.Card NumberAce=1
Step 2.Times 21X2=2
Step 3.Add 12+1=3
Step 4.Times 53X5=15
Step 5.Add the suit15+9=24
Prediction:Simply subtract 5 from above!
24 – 5 = 19, last digit = Suit and the remaining digits indicate the card, Ace of Spades!!!
In this number game, you can predict the three dice your opponent has rolled, which you are not aware.
Perform the following six steps and surprise your opponent:
Suppose the dice are 1, 3 and 6 in this order!
Step 1.First die times 21X2=2
Step 2.Add 52+5=7
Step 3.Times 57X5=35
Step 4.Add the second die35+3=38
Step 5.Times 1038X10=380
Step 6.Add the third die380+6=386
Prediction:Simply subtract 250 = 386-250 = 136!
This trick could be extended to any three digit number 000-999!!Try!!!