Home » Trending » November 23, 2011 – Fibonacci Day

November 23, 2011 – Fibonacci Day

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nFibonaccinnumbers are defined as starting with zero and one; each followingnnumber in the sequence is formed by adding the previous two numbers.

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nSo…n0 + 1 = 1

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nTherefore…nthe next Fibonacci number is 1. (Again!)

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n1n+ 1 = 2

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nTherefore,nthe next Fibonacci number is 2.

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n1n+ 2 = 3

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nTherefore,nthe next Fibonacci number is 3.

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n2n+ 3 = 5

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nSonthe next Fibonacci number is 5.

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nCannyou figure out the next seven Fibonacci numbers? After you do, checknyour answers here.  Since numbers go on to infinity, so do Fibonacci numbers! They startnslow (1, 1, 2, 3, 5), but they get really, really big really quicklyn(the 40th Fibonacci number is 102,334,155!).

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nFibonaccinnumbers are associated with the Golden Ratio and spirals, and we seenthem in biological settings such as tree branching and flowers,narrangement of fruit spouts on pineapples and seed scales on pinencones…

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nWhynis today Fibonacci Day? The first numbers in the sequence (other thannzero) are 1, 1, 2, 3, so we celebrate the sequence on 11/23.

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nFindnout more about Fibonacci and his sequence here and here

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nFornfun…

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nTrynwriting a Word Fib Poem. 

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