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Started By
Message
re: 4th grade question has us stumped!
Posted on 9/25/14 at 9:56 pm to Peazey
Posted on 9/25/14 at 9:56 pm to Peazey
quote:
My first reaction was to find a pattern out of the series that would give me something other than 4.5. I couldn't do it. Then comes the confusion.
Then, you need to work on your pattern detection, pal. There are two alternatives in this thread to the 4.5, Neanderthal divide by two answer. One is on the previous page. Here is the other:
LINK
This post was edited on 9/25/14 at 9:58 pm
1
Posted on 9/25/14 at 9:57 pm to Bloodworth
As stated earlier -
This seems to work also to generate the 6. Or am I missing something?
quote:
Divide 36 by 2, then by 4, then by 6. Seems to work, no?
This seems to work also to generate the 6. Or am I missing something?
Posted on 9/25/14 at 9:58 pm to Archie Bengal Bunker
quote:
Neanderthal divide by two answer
Dude, it's intended for fourth graders.
Posted on 9/25/14 at 9:59 pm to Bloodworth
quote:
Divide 36 by 2, then by 4, then by 6. Seems to work, no?
quote:
i thought the factors of 8 were:
2 x 4
2 x (2x2)
to the largest factor of 8, once factored out is 2.
2-2=0, I put down 0 at the thousands position.
60,782
Posted on 9/25/14 at 9:59 pm to flvelo12
quote:
This seems to work also to generate the 6. Or am I missing something?
You are missing the extra math chromosome of the tigerdroppings math elite.
Posted on 9/25/14 at 10:00 pm to Smalls
quote:
Dude, it's intended for fourth graders.
Hell, some of the stuff my 5th grader brings home kills me. And I don't believe I'm THAT dense.
Posted on 9/25/14 at 10:00 pm to Smalls
quote:
Dude, it's intended for fourth graders.
So... The OT is comprised of fourth graders. Got it.
Divide that by two.
Posted on 9/25/14 at 10:02 pm to tigerjjs
quote:
Divide 36 by 2, then by 4, then by 6. Seems to work, no?
Yes... spot on according to the math whiz here in this house.
Posted on 9/25/14 at 10:03 pm to Bloodworth
I won't be able to sleep tonight with anticipation of tomorrow's correct answer bump.
Posted on 9/25/14 at 10:04 pm to Archie Bengal Bunker
quote:
You are missing the extra math chromosome of the tigerdroppings math elite.
touché
Posted on 9/25/14 at 10:04 pm to GRTiger
quote:
I won't be able to sleep tonight with anticipation of tomorrow's correct answer bump.
I know right?
Posted on 9/25/14 at 10:04 pm to tigersaint26
quote:
6--4th multiple of 2 is 6 not 8 (0,2,4,6)
Fun and perhaps sad fact: While this is technically true, there is a high chance that the 4th grader was taught that 0 is not a multiple.
Posted on 9/25/14 at 10:06 pm to Bloodworth
quote:
According to my 7th grade daughter ... well...I'll let her explain why she thinks the answer is 6.
I think the number in the ten thousands place should be 6. The pattern's first number is 36, so the numbers following decrease, because you cannot go beyond 36. 36 divided by 2 is 18. 36 divided by 4 is 9. 36 divided by 6 is 6. 36 divided by 8 is 4.5, etc. The pattern is a dividing pattern, and you multiply the original divisor by 2 each time you continue the pattern. Because the number you are finding is third after 36, you divide 36 by 6, because you multiply the original divisor (2) by 3 and divide that by 36.
Smart daughter, but if that's the answer, it's unsettling. Most of us were assuming the pattern is infinite in either direction.
Posted on 9/25/14 at 10:07 pm to Bloodworth
quote:
quote:
Divide 36 by 2, then by 4, then by 6. Seems to work, no?
I like this idea, but I like to be able to predict what the next number in a sequence would be in either direction. If the next number in the sequence is 6, what's the number that comes before 36?
Fwiw, I believe for a fourth grader, the answer is 4.5.
Posted on 9/25/14 at 10:13 pm to ILikeLSUToo
quote:
Most of us were assuming the pattern is infinite in either direction.
This. A true mathematical pattern should be repeatable in either direction.
Posted on 9/25/14 at 10:23 pm to ILikeLSUToo
quote:
Most of us were assuming the pattern is infinite in either direction.
It's counter intuitive but whatever. It's the only conclusion that makes sense in the framework.
Posted on 9/25/14 at 10:25 pm to flvelo12
56.781. Rounded the 4.5 up cause it was a stupid frickin question.
Posted on 9/25/14 at 10:27 pm to Bloodworth
it is 4, the pattern is six multiplied by a number that keep getting halved.
36 (6x6)
18 (6x3)
9 (6x1.5)
4 (6x.75)
36 (6x6)
18 (6x3)
9 (6x1.5)
4 (6x.75)
Posted on 9/25/14 at 10:31 pm to GRTiger
quote:
And I am honestly unsure if you would consider 8 a factor of 8.
Posted on 9/25/14 at 10:32 pm to castorinho
Not one of my finer moments. Get off my arse.
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