Think of a number between 1 and 9.
Multiply your number by 10.
Subtract your original number.
¿Do you have a two digit number?
Cross out one of the two digits
Tell me the other digit
The number that is
crossed out is …!
El número que está
Choose a card
Give valour to the figures
-Multiply by 2 the number of your card.
-Multiply now by 5.
-If your card is gold (oros), add 4.
-If your card is cups (copas), add 3.
-If your card is swords (espadas), add 2.
-If your card is clubs (bastos), add 1.
WHAT IS YOUR NUMBER?
-Multiply the day of your birthday by 10.
-Multiply by 2.
-Add 7 again.
-Multiply by 5.
-Add the month you was born.
(January 1, February 2, March 3…)
TELL ME YOUR RESULT
-Think in a two-digit number.
-Add the two digits.
-Substract the result to the original number.
-Look at the next table the figure which corresponds
to the final number.
What number were you thinking?
-Think of a three-digit number, but each digit different. (201)
-Change the first and last digits. (102)
-Substract both numbers. (201-102=099)
-Change the first and last digits of the new number. (990)
-Add both numbers (990+099)
WHAT IS YOUR RESULT?