1 / 9

Magician or Math-a-magician?

Magician or Math-a-magician?. Math Magic. Math Magic – Trick #1. Pick a number… any number! (keep it a secret though) Add 1 to that number Multiply by 3 Subtract your ‘secret’ number Add 5 Divide by 2 Subtract your secret number. Math Magic – Trick #1.

Gabriel
Download Presentation

Magician or Math-a-magician?

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Magician or Math-a-magician?

  2. Math Magic

  3. Math Magic – Trick #1 • Pick a number… any number! (keep it a secret though) • Add 1 to that number • Multiply by 3 • Subtract your ‘secret’ number • Add 5 • Divide by 2 • Subtract your secret number

  4. Math Magic – Trick #1 • Now map the digit you got to a letter in the alphabet. For example: A =1 B=2 C=3 D=4 • Pick a name of a country in Europe that starts with that letter.

  5. Albania Andorra Austria Belarus Belgium Bosnia and Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Countries in Europe • Finland • France • Germany • Greece • Hungary • Iceland • Ireland • Italy • Latvia • Liechtenstein • Lithuania • Luxembourg • Macedonia • Malta • Moldova • Monaco • Netherlands • Norway • Poland • Portugal • Romania • Russia • San Marino • Serbia and Montenegro • Slovakia (Slovak Republic) • Slovenia • Spain • Sweden • Switzerland • Turkey • Ukraine • United Kingdom • Vatican City

  6. Math Magic – Trick #1 • Take the second letter in the country's name, and pick and animal that starts with that letter. • Think of the color of that animal.

  7. The Magic number 8 • Write down your phone number, followed by the number 8. • Multiply your phone number by 8 and write the answer down next to the 8 after your phone number. • Add all the single digits together until you only have a single digit left. What is it? • Example: 12345…  1+2+3+4+5+…=?

  8. General MacArthur's # Game • Write down the number of the month you were born in • Double it • Add 5 • Multiply by 50 • Add in your age • Subtract 365 • What is your number?

  9. Any Questions? 

More Related