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Started By
Message
re: 4th grade question has us stumped!
Posted on 9/26/14 at 7:38 am to Sir Drinksalot
Posted on 9/26/14 at 7:38 am to Sir Drinksalot
Correct answer:
TREE, FIDDY
Please update this thread tonight with the correct answer.
TREE, FIDDY
Please update this thread tonight with the correct answer.
0
Posted on 9/26/14 at 7:50 am to Bloodworth
The first number could be -9
Posted on 9/26/14 at 7:57 am to GRTiger
quote:
52,781
I rounded up to 5 on the 10,000 spot because that shite made no sense otherwise.
Depending on how the rounding 'rules' are defined, 4.5 can be rounded to '4' because it is an even number. I have seen this as a rule = round x.5 to x+1 if x is odd, but round to x if x is even.
Also, the ones digit could also be a '2' since '2' is a prime number less than 3.
I figured they didn't count '1' as prime, so I go the number 42782 as the answer.
Seems like you have to know the context of the lessons this question relates to concerning the definition of rounding rules and the definition of prime numbers.
Overall a poorly worded questionl
Posted on 9/26/14 at 8:03 am to ChineseBandit58
quote:
Depending on how the rounding 'rules' are defined, 4.5 can be rounded to '4' because it is an even number. I have seen this as a rule = round x.5 to x+1 if x is odd, but round to x if x is even.
Where'd you learn this rule?
Posted on 9/26/14 at 8:10 am to PurpleDrank18
quote:
66,782 would be my guess
I think you have it. But having 4th graders decipher that sequence seems a bit much. I would have been proud of sophomores doing that in the first few weeks of school.
Posted on 9/26/14 at 8:13 am to ChineseBandit58
That is a stupid arse question.
My guess is 47,782 though.
My guess is 47,782 though.
This post was edited on 9/26/14 at 10:25 am
Posted on 9/26/14 at 8:16 am to Drew Orleans
"it's a bull shite question" morissa tomei in my cousin vinny
Posted on 9/26/14 at 8:17 am to GetCocky11
quote:
Where'd you learn this rule?
It is to prevent automatically biasing toward the larger number. I have never seen it written as an absolute rule anywhere, but we implemented it in situations that called for rounding in digital simulations. It is a simulation technique rather than a math rule.
Rounding is supposed to go toward the nearer number. If you have x.5 the rounded number could either be x or x+1 because they are both equidistant. If you always go to the larger number, you are introducing a small bias into the calculation. That doesn't matter for a one-time computation, but in a simulation of some natural event, it could introduce a bias in the overall result.
Posted on 9/26/14 at 8:17 am to Drew Orleans
quote:
That is a stupid arse question.
Yes you are not the first to point out... Have already reached out to teacher and awaiting response.
Posted on 9/26/14 at 8:18 am to Bloodworth
quote:
What number am I?
7
Posted on 9/26/14 at 8:18 am to ChineseBandit58
I think we are pretty much set on
X6,782
I think 4, 5, or 6 all have a good argument.
X6,782
I think 4, 5, or 6 all have a good argument.
Posted on 9/26/14 at 8:19 am to Bloodworth
Good. Let us know what the C student who is now educating our children has to say.
Posted on 9/26/14 at 8:21 am to GRTiger
Why not X7,782?
If the first number is "4.5" giving you 45,000 to start, then you add 2 to the thousand place, or 2,000, you end up with 47,000.
/runon sentence.
If the first number is "4.5" giving you 45,000 to start, then you add 2 to the thousand place, or 2,000, you end up with 47,000.
/runon sentence.
Posted on 9/26/14 at 8:21 am to Drew Orleans
quote:
Good. Let us know what the C student who is now educating our children has to say.
Damn dude... thankfully I am very pleased with this teacher and my kids are testing very well so for thank goodness
Posted on 9/26/14 at 8:33 am to Bloodworth
36=12/3..... the number * by 3 is always /by 2 for the next step. so 12/2=6
12/2=6 the 6 is divided by 2= 6
6*3=18.... the 6 / 2 = 3
9/3=3
a
so the ten thousands # = 3.
greatest factor of 8 ( 8x1)= 8-2=6
seven times the digit in the hundreds place is 49= 7
The digit in the tens place is the fourth multiple of 2= 8
The digit in the one place is a prime number less than 3=2
=36782
boom
12/2=6 the 6 is divided by 2= 6
6*3=18.... the 6 / 2 = 3
9/3=3
a
so the ten thousands # = 3.
greatest factor of 8 ( 8x1)= 8-2=6
seven times the digit in the hundreds place is 49= 7
The digit in the tens place is the fourth multiple of 2= 8
The digit in the one place is a prime number less than 3=2
=36782
boom
This post was edited on 9/26/14 at 8:48 am
Posted on 9/26/14 at 8:34 am to GRTiger
Has anyone said 36,782?
Because that's my answer
Because that's my answer
Posted on 9/26/14 at 8:39 am to Paige
Teacher has responded but I am on a conference call at work... will post her response shortly.
Posted on 9/26/14 at 8:40 am to Drew Orleans
quote:
If the first number is "4.5" giving you 45,000 to start, then you add 2 to the thousand place, or 2,000, you end up with 47,000.
Not sure that follows the directions.
Posted on 9/26/14 at 8:46 am to Bloodworth
66,782
Posted on 9/26/14 at 8:48 am to Paige
quote:
Paige
4th grade question has us stumped!
Has anyone said 36,782?
Because that's my answer
Thats what i got
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