 Math text books and math note books on your desks, please.  Sharpened pencils  Calculators if you have one  Brain starter: Add up all the numbers from 1 to 10 in you head.

Fibonacci Numbers  A little history  A little sequence  A little biology  A little poetry, architecture & art  How to eat Fibonacci Numbers

 You will understand what the Fibonacci Numbers are and how to generate them.  You will know who Fibonacci was.  You will eat some Fibonacci Numbers

 Leonardo Pisano  Leonardo of Pisa  Filius Bonacci (Son of Bonaccio)  1170 to 1250 “Son” in French is “fils” In Italian it is “figlio” (the “g” is silent) In Latin it is “filius”

Started construction the year of Fibonacci’s birth (1170) Finished about 1514 About 56 m high (184 feet)

What did Fibonacci give us?

 In1202, published “Book of Calculation” (Fibonacci was Italian, but wrote his book in Latin)  Fibonacci gave us mathematical terms  Factor(1, 2, 5, 10)  Multiple(10, 20, 30, 40, 50, …)

XXIII + IV XXVII XXIII x IV XCII 23 x4 92 Roman Numerals Additive system Hindu / Arabic Positional system

1) 1 2) 1 3) 2 4) 3 5) 5 6) 8 7) 13 8) 21 9) 34 10) 55 11) 89 12) ) ) ) ) 987

Why are Fibonacci numbers interesting?

Fibonacci numbers are EVERYWHERE!

1) 1 2) 1 3) 2 4) 3 5) 5 6) 8 7) 13 8) 21 9) 34 10) 55 11) 89 12) ) ) ) ) 987

Did I say that Fibonacci numbers are EVERYWHERE?

ABC

Di dum di di dum di di dum, Di dum di di dum, Di dum di di dum di di dum.

SyllablesDi’s and Dum’s 85, , , 3 Total: 34Total: 21, 13

I think Fibonacci is fun: We start with a 1 and a 1 Then 2, 3, 5, 8 But don’t stop there, mate! The fun has just barely begun.

The End