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Offline Pond Creek Farm

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Algebra Homework
« on: September 16, 2008, 10:55:40 PM »
I am in 9th grade purgatory once again.  My 8th grader is in 9th grade math and bringing home loads of homework.  He, of course, expects his mother and I to be fully versed in mathematics.  It has been many moons since I divided fractions or sought to determine the square root of a number, and I find that I spend a fair amount of time each night becoming the math whiz I never was.  Calculus darned near killed me in college as did physics.  I forgot to mention the physical science I am boning up on by relearning change in velocity equations and applications.  What fun. At least there is the internet to research things ahead of time, but this homework is killing me.  The problem I find with math is that there is one answer and no real gray area.  My line of work is all about gray area, and I simply have an aversion to being pinned down to a specific answer.
Brian

Offline Jerrymac

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Re: Algebra Homework
« Reply #1 on: September 16, 2008, 11:33:51 PM »
I would have to wonder why the teacher can not teach it in the class room. Not send it home for the parents to teach it to the kids. Has anyone else ever wondered that?
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Offline Pond Creek Farm

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Re: Algebra Homework
« Reply #2 on: September 16, 2008, 11:44:47 PM »
The thought has crossed my mind several times over the past weeks.  What bothers me most is receiving the homework back with answers marked wrong and no information as to the right answer.  Knowing that he got it wrong is little to help me in helping him get it right. If the teachers are going to assign homework, the least they can do is send home the lesson plan with the answers after the homework is graded.  How difficult would that be?  At least then I could put his wrong answer into context and let him know why he ws wrong.  The fact that he was wrong is of no use at all.
Brian

Offline dpence

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Re: Algebra Homework
« Reply #3 on: September 17, 2008, 12:17:17 AM »
I believe you should have a visit with the teacher, provided you have the time.  You have a vested interest in your son's learning, certainly there would be nothing wrong with establishing a communication channel with the teacher.  Get hold of the textbook if possible.  Just my .02.     

Offline SgtMaj

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Re: Algebra Homework
« Reply #4 on: September 17, 2008, 03:23:40 AM »
Couldn't agree more about the teacher conference to request the teacher mark the correct answer so you can help your kid.

By the way... homework is supposed to be homework for the student, not homework for the parents.  If the student needs help understanding the concepts, that's one thing, but the homework problems are supposed to be their responsibility.  At least that's how I see it.

PPS - Don't divide fractions, multiply them.  Flip the denominator and numberator on the divisor fraction in a division problem, then multiply them instead of dividing them.  For example: 1/3 divided by 1/2 is the same as 1/3 multiplied by 2/1, which is 2/3rds.

Offline poka-bee

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Re: Algebra Homework
« Reply #5 on: September 17, 2008, 02:03:30 PM »
You can email the teachers or contact by phone.  We have the family access where you can see every class, every day, attendance, if they bought lunch..what is assigned & turned in...library or textbooks lost, behavior & detention...wonderful tool :evil:  If you have a chance, meet the people in the school personally then do the email thing.  Your kids will have a better chance if everyone knows you care & are checking up on em..I think some teachers get discouraged by the lack of parenting in general..my Stepdaughter's Mother is such one..she believes it's the schools job to discipline once they got into kindergarten..has gone steadily downhill from there!I could go on for hours... :-X  Jody
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Offline JordanM

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Re: Algebra Homework
« Reply #6 on: September 17, 2008, 06:18:04 PM »
I am a 10 th grader that has geometry right now and am doubling uop this year and taking algebra 2 also. Most of the teachers at our school are there after class and befour class for a period of time to help kids well school is off. I A+ Algebra last year and it was not hard for me but if you read the textbook im sure that you could relearn it pretty well. But i wouldnt let your son just skim past this class because, it will come back to get him in the future. He has to know it, because last week i was helping my brother with his algebra and he is in high school. So once he learns the basics he should be fine. Even if you have to relearn it and reteach it back to him in a way that he can understand.

Hope everything goes well.

Offline Pond Creek Farm

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Re: Algebra Homework
« Reply #7 on: September 17, 2008, 07:58:54 PM »
Agree with all.  I own an extra copy of the textbook and have used it to familiarize myself again with the concepts I learned in high school and college. Just to clarify, we are not doing his homework, just checking it and then explaining the concepts behind the math. But to be able to check it and explain any deficiencies in understanding, I must thoroughly understand the subject myself.  The answers, I have recently pried out of my son, are read out, but he simply wasn't writing them down.  That was remedied today.  Who knows, perhaps this will stimulate part of my brain I was not using enough. 
Brian

Offline JordanM

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Re: Algebra Homework
« Reply #8 on: September 17, 2008, 09:35:01 PM »
Tell him its smooth sailing once he gets past that class, right now we are doing patterns and shapes in Geometry that we did in 3rd grade. You know:

2,4,6,8

What comes next in this series?

Offline SgtMaj

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Re: Algebra Homework
« Reply #9 on: September 18, 2008, 02:25:04 AM »
Tell him its smooth sailing once he gets past that class, right now we are doing patterns and shapes in Geometry that we did in 3rd grade. You know:

2,4,6,8

What comes next in this series?

10... I answered yours, now you answer my number series question:

3 & 6
1 & 3 & 4 & 5 & 7
1 & 3 & 4 & 6 & 7
2 & 3 & 4 & 6
_ & _ & _ & _ & _
1 & 2 & 4 & 5 & 6 & 7
1 & 3 & 6

Fill in the blanks.

PS - The number of blanks is a clue.

Offline KONASDAD

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Re: Algebra Homework
« Reply #10 on: September 19, 2008, 12:32:44 PM »
Education was very important in my house growing up. Straight "A's" weere expected and demanded, no exceptions. If I got a 96 on a test, i had to spend 1/2 an hr explaining what happend to the four points I didn't get. My parents also would sit w/ all 3 boys and "go over" homework w/ us. Someitmes late into the night. At the time, i didn't enjoy it as much as i should have. My parents are older now and health is begining to slip, I I look back and am very grateful for their pushing my brothers and I. I was blessed w/ parents who were both book smart. My dad, an engineer could do claculous in his head, as could both brothers, but not me. I always struggled w/ math.
However, i would tell you i use algebra probably every day. Algebra is finding the unknown. Such as gas mileage on car, or how much does a unit of apiguard cost per hive? or what to sell my honey so I dont go broke.. I guess I'm suggesting that you come up w/ real life "math" and it makes it eassier to do. Teachers often forget this little trick-apply it to real life

get a copy of the text book from local library and stay  chapter ahead of your kids...They will be grateful you helped them years to come...
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Offline Jerrymac

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Re: Algebra Homework
« Reply #11 on: September 19, 2008, 06:45:28 PM »
I was grounded to my room for over 6 months before my parents gave up. But I always managed to pass and even grajiated.
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Offline BEES4U

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Re: Algebra Homework
« Reply #12 on: September 29, 2008, 12:47:00 AM »

He, of course, expects his mother and I to be fully versed in mathematics. 
My suggestion is that "He" should pay better attention in class!
Homework is supposed to be for reinforcement of what was/is being taught in the class room.
It sounds like he is enrolled in an accelerated math.
I know some teachers, no names mentioned, that wash out the class to get their teacher: student ratio's where they want them. Sad, but very true.
If you have a good teacher he or she will re-teach the lesson when they notice that the class is having a problem with math set.
I read something many years about a students success in high school. Their grades are correlated to the education of their parents!
Students are encouraged to have a study buddy.
There are homework on-line sites that help students with math step by step.
Perhaps this helps, somewhat. But, that is all for now.
Regards,
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Offline Jerrymac

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Re: Algebra Homework
« Reply #13 on: September 29, 2008, 02:06:04 AM »
I knew of one teacher that didn't assign homework. Said if she couldn't teach them in the class room, she sure couldn't teach them at home.
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Offline JordanM

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Re: Algebra Homework
« Reply #14 on: September 29, 2008, 08:00:19 PM »
Education was very important in my house growing up. Straight "A's" weere expected and demanded, no exceptions. If I got a 96 on a test, i had to spend 1/2 an hr explaining what happend to the four points I didn't get. My parents also would sit w/ all 3 boys and "go over" homework w/ us. Someitmes late into the night. At the time, i didn't enjoy it as much as i should have. My parents are older now and health is begining to slip, I I look back and am very grateful for their pushing my brothers and I. I was blessed w/ parents who were both book smart. My dad, an engineer could do claculous in his head, as could both brothers, but not me. I always struggled w/ math.
However, i would tell you i use algebra probably every day. Algebra is finding the unknown. Such as gas mileage on car, or how much does a unit of apiguard cost per hive? or what to sell my honey so I dont go broke.. I guess I'm suggesting that you come up w/ real life "math" and it makes it eassier to do. Teachers often forget this little trick-apply it to real life

get a copy of the text book from local library and stay  chapter ahead of your kids...They will be grateful you helped them years to come...

Anyone know the answer to this question yet?

Offline sc-bee

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Re: Algebra Homework
« Reply #15 on: October 01, 2008, 07:12:16 AM »
>I believe you should have a visit with the teacher, provided you have the time.  You have a vested interest in your son's learning, certainly there would be nothing wrong with establishing a communication channel with the teacher.

Not necessarily true. Having teacher issues now!!! Had a conference. Well---no comment.
I most probably be learning Algebra all over (the algebra that is the basis for alot of his math and other subject to follow).
John 3:16

Offline BEES4U

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Re: Algebra Homework
« Reply #16 on: October 01, 2008, 11:52:51 AM »
If possible, can you provide me with some sample algebra sets or problems?
I also am requesting the textbook name, edition, publisher, and the ISBN.
Thank you,
Ernie
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Offline JordanM

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Re: Algebra Homework
« Reply #17 on: October 01, 2008, 09:01:19 PM »
There is to many things that Algebra teaches a few problems would not be able to teach you everything.

Maybe a  few thousand.
You could probly try searching on google for problems though.

Offline Understudy

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Re: Algebra Homework
« Reply #18 on: October 02, 2008, 02:30:34 AM »
Tell him its smooth sailing once he gets past that class, right now we are doing patterns and shapes in Geometry that we did in 3rd grade. You know:

2,4,6,8

What comes next in this series?

10... I answered yours, now you answer my number series question:

3 & 6
1 & 3 & 4 & 5 & 7
1 & 3 & 4 & 6 & 7
2 & 3 & 4 & 6
_ & _ & _ & _ & _
1 & 2 & 4 & 5 & 6 & 7
1 & 3 & 6

Fill in the blanks.

PS - The number of blanks is a clue.

This one was a pain in the arse.

I don't see the pattern so I went with my best guess.
3 & 6   
1 & 3 & 4 & 5 & 7 
1 & 3 & 4 & 6 & 7
2 & 3 & 4 & 6     
_ & _ & _ & _ & _         <----   1 & 3 & 4 & 5 & 7
1 & 2 & 4 & 5 & 6 & 7 
1 & 3 & 6           


If it is right or wrong I want to see the proof.

Sincerely,
Brendhan


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Offline rdy-b

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Re: Algebra Homework
« Reply #19 on: October 02, 2008, 02:56:28 PM »
Ive been working on that one -how did you come by those figures- :lol: RDY-B

Offline Understudy

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Re: Algebra Homework
« Reply #20 on: October 02, 2008, 03:48:20 PM »
Ive been working on that one -how did you come by those figures- :lol: RDY-B

It seemed to me to be the only suitable pattern left over. But I couldn't create a proof to confirm it. So it's not certain.

None of the lines are consecutive 1,2,3,4, ....
It is not grouped as odds and evens
None of them appear to have a + - x / sequence or similar total.
They didn't fit as Fibonacci numbers
The clue meant that 5 was in the sequence.
However 5 cannot be the last digit, unless you 1,2,3,4,5 which is a direct sequence. Eliminated in step one.
The line below contains 1,2,4, Since the pattern show no duplicates in a three digit combo going down. I went with what would be next. 1,3,4
The next number would have to be 5 to complete the clue.
4,5,6 was also in the line below so 7 seemed appropriate.
1,3,4,5,7

It's not a proof. It's a bad guess. But I figured what the heck.

Sincerely,
Brendhan
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Offline Keith13

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Re: Algebra Homework
« Reply #21 on: October 02, 2008, 04:55:18 PM »
There is to many things that Algebra teaches a few problems would not be able to teach you everything.

Maybe a  few thousand.
You could probly try searching on google for problems though.

try purplemath on the internet

http://www.purplemath.com/

got me thru college algebra

Keith

Offline rdy-b

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Re: Algebra Homework
« Reply #22 on: October 03, 2008, 02:59:38 AM »
3-6
1-3-4-5-7
1-3-4-6-7
2-3-4-6
_  _  _  _  _  <1-2-4-5-7
1-2-4-5-6-7
1-3-6
and i will cary it further
2-5-7
2-5     
keeping in acceding order -now we have 5 of each number 1 thru 7
you will notice it took 35 spaces to accomplish this -and you can take note that 5x7=35
thats my roll and i am sticking to it   :lol:  8-) RDY-B
 
                                                                                               




Offline SgtMaj

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Re: Algebra Homework
« Reply #23 on: October 03, 2008, 06:25:07 AM »
I said my last post would be my last post, but I can't bear to see you suffering with this.  Neither one of you are correct, but both of you are SO close.

The correct answer is 1 & 2 & 4 & 6 & 7

Each number represents a bar on an LCD display, and each line represents the bars that have to be lit up to create the numbers 1-9.  So the top horizontal bar is represented by 1, the middle horizontal bar is 4, and the bottom horizontal bar is 7... then the top left vertical bar is 2, the top right vertical bar is 3, the bottom left vertical bar is 5 and the bottom right vertical bar is 6.  Five was the clue because 5 is also the number that we're trying to light up on the LCD display.  To light it up, we need the top horizontal bar (1), the top left bar (2), the middle bar (4), the bottom right bar (6) and the bottom bar (7).

There is a mathematical way to arrive at the same sequence, but this is far easier to explain.  So... there you have it.

Offline reinbeau

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Re: Algebra Homework
« Reply #24 on: October 03, 2008, 08:17:31 AM »
You guys are making my head hurt  :-P

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Offline Understudy

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Re: Algebra Homework
« Reply #25 on: October 03, 2008, 08:28:37 AM »
I said my last post would be my last post, but I can't bear to see you suffering with this.  Neither one of you are correct, but both of you are SO close.

The correct answer is 1 & 2 & 4 & 6 & 7

Each number represents a bar on an LCD display, and each line represents the bars that have to be lit up to create the numbers 1-9.  So the top horizontal bar is represented by 1, the middle horizontal bar is 4, and the bottom horizontal bar is 7... then the top left vertical bar is 2, the top right vertical bar is 3, the bottom left vertical bar is 5 and the bottom right vertical bar is 6.  Five was the clue because 5 is also the number that we're trying to light up on the LCD display.  To light it up, we need the top horizontal bar (1), the top left bar (2), the middle bar (4), the bottom right bar (6) and the bottom bar (7).
There is a mathematical way to arrive at the same sequence, but this is far easier to explain.  So... there you have it.


 -a-
|   |
f   b
|   |
 -g-
|   |
e   c
|   |
 -d-

A node problem, I should shake my head in shame for not recognizing that one. It is in basic electronics on dealing with seven segment displays.

The formula used is knows as Karnaugh map. However it is not a simple formula. Boolean expressions can be a pain. But they sure can be useful.

Sincerely,
Brendhan

PS. I also just realized another thing. You are off on your identification. It should have been.
2,3           =1
1,2,4,5,7   =2
1,2,3,4,7   =3
2,3,6,7      =4
1,3,4,6,7   =5

The formula would have worked for the way you set it up but but electronics on seven segments displays set up 1(a) as the top bar. 7(g) is the middle bar
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Offline JP

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Re: Algebra Homework
« Reply #26 on: October 03, 2008, 08:32:56 AM »
I said my last post would be my last post, but I can't bear to see you suffering with this.  Neither one of you are correct, but both of you are SO close.

The correct answer is 1 & 2 & 4 & 6 & 7

Each number represents a bar on an LCD display, and each line represents the bars that have to be lit up to create the numbers 1-9.  So the top horizontal bar is represented by 1, the middle horizontal bar is 4, and the bottom horizontal bar is 7... then the top left vertical bar is 2, the top right vertical bar is 3, the bottom left vertical bar is 5 and the bottom right vertical bar is 6.  Five was the clue because 5 is also the number that we're trying to light up on the LCD display.  To light it up, we need the top horizontal bar (1), the top left bar (2), the middle bar (4), the bottom right bar (6) and the bottom bar (7).
There is a mathematical way to arrive at the same sequence, but this is far easier to explain.  So... there you have it.


 -a-
|   |
f   b
|   |
 -g-
|   |
e   c
|   |
 -d-

A node problem, I should shake my head in shame for not recognizing that one. It is in basic electronics on dealing with seven segment displays.

The formula used is knows as Karnaugh map. However it is not a simple formula. Boolean expressions can be a pain. But they sure can be useful.

Sincerely,
Brendhan


       

That is just nerdilicious!


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Offline pdmattox

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Re: Algebra Homework
« Reply #27 on: October 03, 2008, 10:10:17 AM »
My head does hurt after reading all this. I never did well with that stuff either. Hey JP is that even a word? Got a chuckle and a smile out that.  :-D 

Offline KONASDAD

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Re: Algebra Homework
« Reply #28 on: October 03, 2008, 11:47:46 AM »
I might just have to buy a gun so I can shoot the computer screen after this thread.
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Offline rdy-b

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Re: Algebra Homework
« Reply #29 on: October 03, 2008, 02:41:18 PM »
Electronics  :? think i will sick to bees dont need to count past ten - 8-) RDY-B

Offline reinbeau

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Re: Algebra Homework
« Reply #30 on: October 03, 2008, 03:56:03 PM »
I might just have to buy a gun so I can shoot the computer screen after this thread.


You can use one of mine!

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