Are You Smarter Than a Fifth Grader?

Lissa · 04-13-2007, 10:30 AM

I'm with you Mum, 90 and I got the same ones wrong, isn't it a prime number if it can only be divided by itself? Then 1 should be a prime, and who cares what a 7 sided figure is called?

I highly doubt 5th graders could answer these too.

Marilyn · 04-13-2007, 07:07 PM

Quote:

Originally Posted by Lissa

I'm with you Mum, 90 and I got the same ones wrong, isn't it a prime number if it can only be divided by itself? Then 1 should be a prime, and who cares what a 7 sided figure is called?

I highly doubt 5th graders could answer these too.

I thought that the definition of a prime number was that it had to be divisible by itself and 1, so since one is divisible by itselt (1) and 1, it was prime. However, the correct definition is "In mathematics, a prime number (or a prime) is a natural number that has exactly two (distinct) natural number divisors, which are 1and the prime number itself." (from Wickipedia)

There have to be TWO DISTINCT divisors. 1 has only itself.

And I still don't care what a 7 sided figure is called. 6 sided and 8 sided are much more common and practical. Six sided is actually the most efficient use of material to contain space. This is the reason that a honey comb utilizes 6 sided chambers.

DianaB · 04-14-2007, 05:11 AM

Thanks for checking that out, Marilyn. I missed both of those too! I don't think that I had ever heard what a 7-sided figure was called and I was doing good to even remember that a prime number had to do with dividing into itself! It's been a long time since I was in school!

judy · 04-18-2007, 03:08 PM

It's a good thing I retired from teaching - I got a 55%!!! (The day I retired - November 2nd 2006, I turned my brain off).

Judy

Jlynn · 04-24-2007, 05:15 PM

Well that was fun...90%. I thought 1 was a prime number too!!! And, I forget what the other one was that I missed. Apparently I didn't learn anything from this

katcarasella · 04-18-2008, 01:49 PM

I'm not smarter than a fifth grader. I got 75% DUH!!!

Dobie · 04-19-2008, 10:02 AM

Yikes- I only got a 73 - looks like I have to go back to school.

04-13-2007, 10:30 AM	#1
Lissa Senior Member Join Date: Nov 2006 Location: South and Central Texas Posts: 337	I'm with you Mum, 90 and I got the same ones wrong, isn't it a prime number if it can only be divided by itself? Then 1 should be a prime, and who cares what a 7 sided figure is called? I highly doubt 5th graders could answer these too. __________________ Marilyn's Disappearing Daughter!! Cake or Death, Melissa "Therefore do not throw away your confidence, which has a great reward. For you have need of endurance, so that when you have done the will of God you may receive what is promised." Heb 10:35-36

04-14-2007, 05:11 AM	#3
DianaB Moderator Donating 4WT 13K Club Member Join Date: Sep 2006 Location: Kansas Posts: 16,069	Thanks for checking that out, Marilyn. I missed both of those too! I don't think that I had ever heard what a 7-sided figure was called and I was doing good to even remember that a prime number had to do with dividing into itself! It's been a long time since I was in school! __________________ ´¨) ¸.•´¸.•´¨) ¸.•*¨) (¸.•´ (¸.•` ¤ Diana Baker ✞ You and I are friends....... Always remember that if you fall I will pick you up...... After I stop laughing!!!

04-18-2008, 01:49 PM	#6
katcarasella KAT'S KRAZY KORNER Donating Member Join Date: Jan 2008 Location: Chicago Posts: 3,031	I'm not smarter than a fifth grader. I got 75% DUH!!! __________________ A friend accepts us as we are yet helps us to be what we should. Kat

04-18-2007, 03:08 PM	#4
judy Donating 4WT Yakker Join Date: Jan 2007 Location: Denver, NY Posts: 8,097	It's a good thing I retired from teaching - I got a 55%!!! (The day I retired - November 2nd 2006, I turned my brain off). Judy

04-24-2007, 05:15 PM	#5
Jlynn Senior Member Join Date: Sep 2006 Location: East Coast Posts: 380	Well that was fun...90%. I thought 1 was a prime number too!!! And, I forget what the other one was that I missed. Apparently I didn't learn anything from this

04-19-2008, 10:02 AM	#7
Dobie Senior Member Join Date: Feb 2008 Location: New Hampshire Posts: 1,075	Yikes- I only got a 73 - looks like I have to go back to school.

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