Can you name the first numbers in the Fibonacci sequence in two minutes? - sporcle

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Can you name the first numbers in the Fibonacci sequence in two minutes?

Enter a number in the box below
Correctly named numbers will show up below
Click any empty Key or Number to answer for that location
This game contributed by Booger on 10/12/2009
Source: Fibonacci Sequence
Note: The first two numbers in the Fibonacci sequence are 0 and 1. Each remaining number is the sum of the previous two.

You have 2 minutes to guess after you click the button below.

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Key	Number	Explanation
Enter 0		Starting Number
Enter 1		Starting Number
Equals 0 + 1		=0+1
Sum of last two numbers		=1+1
Sum of last two numbers		=1+2
Sum of last two numbers		=2+3
Sum of last two numbers		=3+5
Sum of last two numbers		=5+8
Sum of last two numbers		=8+13
Sum of last two numbers		=13+21
Sum of last two numbers		=21+34
Sum of last two numbers		=34+55
Sum of last two numbers		=55+89
Sum of last two numbers		=89+144

Key	Number	Explanation
Sum of last two numbers		=144+233
Sum of last two numbers		=233+377
Sum of last two numbers		=377+610
Sum of last two numbers		=610+987
Sum of last two numbers		=987+1597
Sum of last two numbers		=1597+2584
Sum of last two numbers		=2584+4181
Sum of last two numbers		=4181+6765
Sum of last two numbers		=6765+10946
Sum of last two numbers		=10946+17711
Sum of last two numbers		=17711+28657
Sum of last two numbers		=28657+46368
Sum of last two numbers		=46368+75025
Sum of last two numbers		=75025+121393

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There are 62 comments for this game.
(Warning: comments may contain spoilers)

	max123:	Oct 13th, 2009 at 13:55 GMT	18 points
	good quiz, but severely limited for time when it comes to the last 8 numbers. its not like anyone learns the sequence at school

	seb302:	Oct 13th, 2009 at 21:50 GMT	51 points
	Good idea for a quiz. I would vote for not including the hints, therefore rewarding people who know what the Fibonacci sequence is. Otherwise, it's just addition.

	peanut4:	Oct 13th, 2009 at 21:55 GMT	8 points
	Agree with seb. I think it's a really nice idea but becomes a test of mental arithmetic rather than actual mathematical knowledge once you give the note and then the hints.

	Barbaloot:	Oct 13th, 2009 at 23:08 GMT	50 points
	I think the point was for it to be a test of mental arithmetic. No one will actually have memorized all the Fibonacci numbers up to 200K.

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	simpleerrors:	Oct 14th, 2009 at 04:15 GMT	0 points
	spent 30 seconds on 75025

	Kicking222:	Oct 14th, 2009 at 08:26 GMT	2 points
	Phew, eleven seconds left! That math degree certainly came in handy... or not, but whatever.

	Platypus222:	Oct 14th, 2009 at 08:34 GMT	12 points
	I agree to take off the hints. Before starting the quiz, I checked to make sure I remembered what they were, only to find step-by-step instructions on every single number. Keep the overall instructions describing what they are, but other than that, clean it up a little. The numbers are right there, so an explanation isn't needed and since most of the numbers have the same "hint," that's really not needed either.

	maniacalclown:	Oct 14th, 2009 at 08:38 GMT	1 point
	Didn't quite have enough time to do the last two with my mental math. Pretty neat, though.

	ArtVandaley:	Oct 14th, 2009 at 08:45 GMT	19 points
	My ph.d. in math could not get me all of them. Do not tell my graduate school.

	Rave:	Oct 14th, 2009 at 08:56 GMT	16 points
	taking advanced calculus -- mental math is a no. also surprised that more people got "enter 1" than "enter 0". directions perhaps unclear for the latter?

	zalagreensbury:	Oct 14th, 2009 at 09:15 GMT	25 points
	Does a Kramer like entrance and slaps money down on counter I'm out.

	xeju:	Oct 14th, 2009 at 09:59 GMT	12 points
	I like it precisely because it's a test of mental arithmetic. I didn't do all that well, but it was something different for Sporcle.

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	GrooGruxKing:	Oct 14th, 2009 at 10:33 GMT	6 points
	@seb: I had no idea what the Fibonacci sequence was before doing this, and, without hints, I was able to realize what it wanted me to do fairly quickly.

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	iurewhiuerw:	Oct 14th, 2009 at 11:44 GMT	4 points
	that hurt my brain trying it first thing in the morning. will try again later!!!

	eurythmech:	Oct 14th, 2009 at 12:17 GMT	-4 points
	I guess more people got 1 than 0 because 0 usually isn't included in the sequence? Also, isn't it wrong to include 0? With zeroes in it, the sequence would never grow, correct?

	Sjoerd:	Oct 14th, 2009 at 13:01 GMT	2 points
	@Max123: I did learn the sequence at school :-p up till 910. I managed to calculate the rest just in time (1 second left). Nice quiz.

	ZeZapatiste:	Oct 14th, 2009 at 13:37 GMT	6 points
	There were 5 answers left when they popped up in red. I told myself "already ?"

	jim:	Oct 14th, 2009 at 16:18 GMT	4 points
	Got them all with 3 seconds to go. Fear my high-speed adding-up skills.

	sub:	Oct 14th, 2009 at 16:26 GMT	2 points
	@eurythmech: there aren't "zeroes" in the sequence, there's only one 0.

	Bojan:	Oct 14th, 2009 at 16:42 GMT	1 point
	I thought 2 minutes will be too much, but I didn't make all, missed th last one. Fibonacci seems les important - it more about fast counting, but I think there is u group of Sporcle users (including me) that would like to have some fast counting quizes from time to time :)

	eurythmech:	Oct 14th, 2009 at 16:59 GMT	0 points
	sub: Well, yeah. I guess. But still, it seems counter intuitive for the series to rise with a zero in it. It means it needs to have two starting integers.

	buppyspek:	Oct 14th, 2009 at 17:04 GMT	1 point
	Fast math has never been my thing. I'm a product of the calculator generation. But this was fun. A good challenge!

	Loona:	Oct 14th, 2009 at 17:22 GMT	2 points
	Screw calculators and their whole damn operation.

	Sathington:	Oct 14th, 2009 at 17:24 GMT	8 points
	The only ones I missed were 0 and 1, other than that the rest were pretty easy.

	Sathington:	Oct 14th, 2009 at 17:28 GMT	3 points
	Also 317811 should be a bonus answer.

	halifaxanadu:	Oct 14th, 2009 at 17:31 GMT	1 point
	There has to be a mean selection bias for this game: I refuse to believe that 1 in 20 people make it to the last element.

	halifaxanadu:	Oct 14th, 2009 at 17:37 GMT	3 points
	either that, or some of you are denigrating the game by using calculators...I bet that left you just enough time to miss a couple answers at the end, with your slow hand speed

	tbh444:	Oct 14th, 2009 at 18:38 GMT	4 points
	Just managed to finish it at the 5th attempt! My suggestion would be for the last 5 or so answers to add the numbers one by one from the right, hitting the left arrow after typing each one and obviously remembering to carry the 1 over where necessary (so if you were adding say 44834 + 24229 you'd type 3,left,6,left,0,left,9,left,6 - it does work out quicker, honest!)

	Redwing19:	Oct 14th, 2009 at 18:52 GMT	1 point
	Got 20 of them... not too shabby for an Arts student.

	hikeeba:	Oct 14th, 2009 at 19:03 GMT	2 points
	The columns not lining up made it a little tougher (especially the last one). I added them left to right, looking to see if there would be a carry. (using tbh's example, 44834 + 24229 -> 6, 8 but the third column will be 8+2, so make it a 9, etc)

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	bluerabbit:	Oct 14th, 2009 at 19:37 GMT	1 point
	Great fun, I like the clues, otherwise I would have had 0, it is just a test of mental math, that's why it's only 2 minutes.

	Raipier:	Oct 14th, 2009 at 19:50 GMT	-2 points
	Very fun game. Most people don't even know what the Fibonacci sequence is. This quiz does need at least another 30s to it. I have a physics and math degree and could not finish in time...lol!

	sten:	Oct 14th, 2009 at 20:22 GMT	2 points
	Yay, quick mental math! (Okay, the first time I only got 26/28.)

	CCCarnie:	Oct 14th, 2009 at 20:33 GMT	1 point
	Only 3% of people finished? I thought the time was about right. I think I still had about 20 sec left.