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Tricks of mathmagic

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- 1. MATH MAGIC GEOMETRY & CRAFTS 1st Secondary Sagrada Familia P.J.O.
- 2. TRICK 1 Think of a number between 1 and 100. Multiply your number by 4. Add 12. Multiply this number by 2. Add 16. Divide this number by 8. Subtract your original number.
- 3. Your new number is 5!
- 4. TRICK 2 Think of a number between 1 and 9. Multiply your number by 10. Add 9. Subtract your original number. ¿Do you have a two digit number? Cross out one of the two digits (tachar) Tell me the other digit
- 5. The number that is crossed out is …! El número que está tachado es…!
- 6. TRICK 3 Choose a card Give valour to the figures 1 10 9 8
- 7. -Multiply by 2 the number of your card. -Add 1. -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?
- 8. TRICK 4 -Multiply the day of your birthday by 10. -Add 7. -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
- 9. TRICK 5 -Think in a two-digit number. -Add the two digits. (44) (4+4=8) -Substract the result to the original number. (44-8=36) -Look at the next table the figure which corresponds to the final number. What number were you thinking?
- 10. TRICK 6 -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?

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