ATOT, are you smarter than my 3rd grader?

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dwell

pics?
Oct 9, 1999
5,185
2
0
Teacher is wrong.

My work as I went along:

Code:
o p
o p o p
o p p
o p p o p p
o p p p
o p p p o p p p

Her pattern would be:

Code:
o p
o p 
o p p
o p p o p p
o p p p
o p p p o p p p o p p
 

rasczak

Lifer
Jan 29, 2005
10,437
23
81
WTF kind of maths is this?! You mean to tell my my daughter will surpass me in math next year?

:(
 

SearchMaster

Diamond Member
Jun 6, 2002
7,791
114
106
That's a pretty complex question for a third grader IMO. My 3rd grader is pretty smart, I'll give him this question tonight and see how he does :)

In any event, teachers make mistakes too - don't sweat it. My eldest son got some homework in 1st or 2nd grade that frankly didn't make any sense. We helped him do the best he could on it. The sad thing is that the next day was a school open house and another parent came in with the homework assignment and started screaming at the teacher about how ridiculous it was, before crumpling it up and storming out of the classroom.
 

airdata

Diamond Member
Jul 11, 2010
4,987
0
0
either answer (2 owners w/ 3 pets each or 3 owners w/ 3 pets each) would fit in the (barely) established pattern.

Sounds like most of the class will probably get the wrong answer. If the teacher is worth their salt, they'll probably discuss the question in class for a minute and give credit for the "wrong" answer.

Yeah. After reading your post I can see where there really isn't enough information to establish a definite answer.

I always did good in math except for getting points taken off for not showing work or working the problem in a way that was different from how the teacher showed.
 

TecHNooB

Diamond Member
Sep 10, 2005
7,458
1
76
Yeah. After reading your post I can see where there really isn't enough information to establish a definite answer.

I always did good in math except for getting points taken off for not showing work or working the problem in a way that was different from how the teacher showed.

I'm docking points right now for agreeing with 3 owners, 3 pets each and not explaining your reasoning.
 

actuarial

Platinum Member
Jan 22, 2009
2,814
0
71
Just get her to explain the pattern to the teacher and have them fix the mark.

I had a college professor get a sign wrong on a formula and followed it through making everything else wrong. The best part was pointing it out, him disagreeing and continuing. After the lecture I showed him why it was wrong, and by the time I got home the class had an email from him saying that he was re-doing the lecture next class :)

People are human.
 

Occ

Senior member
Nov 11, 2009
276
0
76
It's kind of an ambiguous question. They should be more clear what the pattern actually is. Anyway, I don't see how you could get 3 owners, 3 pets as a continuation.

Total Owners:Total Pets
1:1
2:1
1:2
2:2
1:3

2:3

----------
O - Owners, P-Pets

O-P
O-P O-P
O-P-P
O-P-P O-P-P
O-P-P-P

O-P-P-P O-P-P-P
 
Last edited:

gw186

Golden Member
Sep 7, 2004
1,212
0
76
second row, each owner has 1 pet
fourth row, each owner has 2 pets
sixth row, each owner has 3 pets

sets of pets are increasing by one, so the sixth row has 3 sets of 3 pets. 3 owners with EACH one having 3 pets.
 

AmdEmAll

Diamond Member
Aug 27, 2000
6,699
9
81
I got 3 owners with 3 pets each = 9pets.. im dumb i guess

Going over it again im not sure why I saw a pattern for 3 owners when there isn't one. Should be 2 owners each having 3 pets
 

RPD

Diamond Member
Jul 22, 2009
5,109
600
126
second row, each owner has 1 pet
fourth row, each owner has 2 pets
sixth row, each owner has 3 pets

sets of pets are increasing by one, so the sixth row has 3 sets of 3 pets. 3 owners with EACH one having 3 pets.
Fail.
 

ShawnD1

Lifer
May 24, 2003
15,987
2
81
I get 2 owners 6 pets

I wrote it down like this. O is own, P is pet
1) O P
2) OO PP
3) O PP
4) OO PPPP
5) O PPP

O alternates between O and OO, so row 6 will be OO. P is relative to O. First you get 1 P for each O, so it goes OP then OOPP. Then it has 2 for each O, so it goes OPP, OOPPPP. Then it goes up to 3 P for each O and the fifth line is O PPP. Next would be (OPPP)*2 = OOPPPPPP
 

nanette1985

Diamond Member
Oct 12, 2005
4,209
2
0
Now I'm going nuts trying to figure how 3 could possibly be a right answer. There probably is some series pattern under which O3, P3 is the correct 6th row.
 

gothamhunter

Diamond Member
Apr 20, 2010
4,464
6
81
I have no idea how any of you morons are getting 3 owners with this very simple pattern

OP|OPOP|OPP|OPPOPP|OPPP|OPPPOPPP
 

irishScott

Lifer
Oct 10, 2006
21,562
3
0
That's a pretty complex question for a third grader IMO. My 3rd grader is pretty smart, I'll give him this question tonight and see how he does :)

In any event, teachers make mistakes too - don't sweat it. My eldest son got some homework in 1st or 2nd grade that frankly didn't make any sense. We helped him do the best he could on it. The sad thing is that the next day was a school open house and another parent came in with the homework assignment and started screaming at the teacher about how ridiculous it was, before crumpling it up and storming out of the classroom.

Lol overreaction much? Happens in college too. In my last calculus class everyone was stumped by one problem and no one knew how to solve it. Many of us had spent hours trying. Guess what? That integral table in the back of the book that we'd never been allowed to use? For that problem we were apparently supposed to use it. The outrage in the class when the prof told us was pretty hilarious.
 

corwin

Diamond Member
Jan 13, 2006
8,644
9
81
Now I'm going nuts trying to figure how 3 could possibly be a right answer. There probably is some series pattern under which O3, P3 is the correct 6th row.
Possibly by division...

row 2 is 2 pets and 2 owners...2/2=1
row 4 is 4 pets and 2 owners...4/2=2
row 6 is 9 pets and 3 owners...9/3=3

If that's it this should not be presented in the third grade
 

dwell

pics?
Oct 9, 1999
5,185
2
0
Total Owners:Total Pets
1:1
2:1
1:2
2:2
1:3

2:3

Nice way of expressing it. Makes it easier to see the pattern.

Most stimulus I've gotten all week is from a 3rd grader's homework. Either I need a new job or I need to start having kids.
 

Caecus Veritas

Senior member
Mar 20, 2006
547
0
0
1. A B
2. AA BB
3. A BB
4. AA BBBB
5. A BBB
6. AA BBBBBB

The part of 2 owners with "1-3 pets each" is necessary to prevent answer on Row 6 from having either 6 or 8 as an answer. But there is no precedence in the limited pattern to show that there would be 3 owners.