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re: 4th grade question has us stumped!
Posted on 9/25/14 at 10:37 pm to SPE UVA
Posted on 9/25/14 at 10:37 pm to SPE UVA
quote:
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)
Except no, because 6 x .75 = 4.5, the answer that has been rehashed over and over and over.
1
Posted on 9/25/14 at 10:38 pm to Bloodworth
46,781?
Posted on 9/25/14 at 10:44 pm to ILikeLSUToo
wow, i was proud of myself for cracking the code, but now i realize i'm a moron. 
Posted on 9/25/14 at 11:52 pm to Bloodworth
I am going to go with 66,782.
Ten-thousands - in my post nap stupor, I thought maybe the pattern is the result of subtracting instead of division, but the 9-9=0 doesn't fit unless 27 was left out of the original pattern?
I think 36/2=18, 36/4=9, 36/6=6 is more likely.
Thousands - largest factor of 8 is 8. 8-2=6
Hundreds - 7x7=49
Tens- 4th multiple of 2 is 8
Ones- Only prime number less than 3 is 2; 1 is neither prime nor composite
Ten-thousands - in my post nap stupor, I thought maybe the pattern is the result of subtracting instead of division, but the 9-9=0 doesn't fit unless 27 was left out of the original pattern?
I think 36/2=18, 36/4=9, 36/6=6 is more likely.
Thousands - largest factor of 8 is 8. 8-2=6
Hundreds - 7x7=49
Tens- 4th multiple of 2 is 8
Ones- Only prime number less than 3 is 2; 1 is neither prime nor composite
This post was edited on 9/26/14 at 1:20 am
Posted on 9/25/14 at 11:59 pm to Bloodworth
56762
ETA: bookmarked so you can come back and tell me in right. I'm also drunk. You should all be ashamed
ETA: bookmarked so you can come back and tell me in right. I'm also drunk. You should all be ashamed
This post was edited on 9/26/14 at 12:06 am
Posted on 9/26/14 at 12:00 am to teachingtiger
quote:
Ten-thousands - I think pattern is result of subtracting. 36-18=18, 18-9=9, 9-9=0
quote:
teachingtiger
Posted on 9/26/14 at 12:02 am to KosmoCramer
Hey, it's midnight. I just woke up from a nap. 
I didn't read all the other responses. What's the deal with the ten-thousands place?
ETA: What does the OT think the ten-thousands place is? I quit reading responses when people started dividing by two and rounding up to 5.
I didn't read all the other responses. What's the deal with the ten-thousands place?
ETA: What does the OT think the ten-thousands place is? I quit reading responses when people started dividing by two and rounding up to 5.
This post was edited on 9/26/14 at 12:04 am
Posted on 9/26/14 at 12:03 am to teachingtiger
4.5 rounded to 5 is all we came up with.
Posted on 9/26/14 at 12:04 am to KosmoCramer
quote:
I quit reading responses when people started dividing by two and rounding up to 5.
quote:
4.5 rounded to 5 is all we came up with.
This post was edited on 9/26/14 at 12:06 am
Posted on 9/26/14 at 12:08 am to teachingtiger
Why would you not end up at 5? Each number in the sequence is half of the previous number. Since we're dealing in whole numbers, 5 is the logical answer
This post was edited on 9/26/14 at 12:09 am
Posted on 9/26/14 at 12:12 am to Thib-a-doe Tiger
quote:
Why would you not end up at 5? Each number in the sequence is half of the other number. Since we're dealing in whole numbers, 5 is the logical answer
I just seriously doubt that a 4th grade teacher in September of a school year is giving place value puzzles that include the division of numbers that require subsequent rounding.
Posted on 9/26/14 at 12:15 am to teachingtiger
I don't know. I'm drunk as shite and I got 5 so that's what I'm going with.
frick maths
frick maths
Posted on 9/26/14 at 12:21 am to Bloodworth
quote:
I am a five digit number
quote:
What number am I? ___ ___ , ___ ___ ___
Why have 90% of the answers in here not paid attention to this?
Posted on 9/26/14 at 12:22 am to lsu480
Because the first part makes no sense
Posted on 9/26/14 at 12:43 am to Pectus
quote:
Because the first part makes no sense
And because we have no idea what skills this set of students is familiar with. There are a lot of correct answers in this thread, but not all apply to a typical 4th grader's ability level.
If this is an advanced group, I could see the 9/2=4.5 rounded to 5 being valid.
Can't wait to see the actual answer.
This post was edited on 9/26/14 at 12:46 am
Posted on 9/26/14 at 1:34 am to Bloodworth
32,781
Posted on 9/26/14 at 2:05 am to Bloodworth
I don't know, but Re: your sig. The AVG was anything but inexperienced. True, they didn't have any actual combat time (nor did anyone else in the US military athe the outbreak of the war.) But they were handpicked from among the best the Army, Navy, and Marine Corps had to offer.
Posted on 9/26/14 at 2:09 am to Bloodworth
66,782 would be my guess. Don't know if someone has already said this, but I'm not about to read through 7 pages.
To me the first part pattern should be as follows:
...2, 3, 6, 9, 18, 36, 54, 108, 162...
The next number is 3 times 2 numbers prior. So 6=2x3, 9=3x3, 18=6x3, 36=9x3, 54=18x3...so on and so on i don't know tho, that's the best I got. I'm certain the other 4 numbers are correct tho.
ETA: And of course you could go infinitely beyond 2, but I'm not about to frick with all those decimals
To me the first part pattern should be as follows:
...2, 3, 6, 9, 18, 36, 54, 108, 162...
The next number is 3 times 2 numbers prior. So 6=2x3, 9=3x3, 18=6x3, 36=9x3, 54=18x3...so on and so on
i don't know tho, that's the best I got. I'm certain the other 4 numbers are correct tho. ETA: And of course you could go infinitely beyond 2, but I'm not about to frick with all those decimals
This post was edited on 9/26/14 at 2:11 am
Posted on 9/26/14 at 3:05 am to PurpleDrank18
quote:
66,782
After much deliberation, I'm going with this.
I also conclude that this is a fricked up question, particularly for a 4th grade student, and that there are substantially better ways to teach the materials that the problem in the OP attempts to cover.
Posted on 9/26/14 at 6:22 am to NawlinsTiger9
I'm thinking that this isn't a "teaching" problem, but more of a bonus to see how well the kid is doing. Common core is a more complex math than we are used too. Is it different? Yes. Is it doing our kids a disservice? No. We need to keep up with the rest of the world.
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