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Cheonmunka
Joined: 04 Jun 2004
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 Posted: Fri Mar 28, 2008 4:36 am Post subject: At What Age do Western Kids Learn Long Subtraction? |
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I would like to know about the averages and above averages that kids in the western countries are expected to or do learn subtractions with numbers like: 68-39-15=
What grade/level or what kind of age are we talking about?
Thanks ... |
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jvalmer
Joined: 06 Jun 2003
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| Posted: Fri Mar 28, 2008 5:14 am Post subject: |
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I don't remember, but my guess is 4th/5th grade. I graduated High School in '95. I remember first being introduced to fractions in grade 7, quadratic equations in grade 10 and calculus in my last semester of grade 12.
Based on my school experience, Korean schools are light years ahead in math, well more like 2 or 3 years ahead. |
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Atavistic
Joined: 22 May 2006
Location: How totally stupid that Korean doesn't show in this area.
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| Posted: Fri Mar 28, 2008 5:23 am Post subject: |
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| jvalmer wrote: |
I don't remember, but my guess is 4th/5th grade. I graduated High School in '95. I remember first being introduced to fractions in grade 7, quadratic equations in grade 10 and calculus in my last semester of grade 12.
Based on my school experience, Korean schools are light years ahead in math, well more like 2 or 3 years ahead. |
I think your school system was slow.
I graduated in 99 and I recall fractions in fifth grade, though we probably started in fourth, quadratic in seven, trig in grade 10.
Well I taught fifth grade in the States between 2003-2006. Fractions STARTED being taught in VERY simple form in first grade. Seriously started being taught in third grade. When I student taught second grade they were still doing basic facts (up to 10+10 and 20-10) but by the end of the year they were starting long subtraction. By fifth grade we were doing long division with big numbers and decimals. In sixth grade they started factoring numbers. |
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Hanson
Joined: 20 Oct 2004
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| Posted: Fri Mar 28, 2008 5:45 am Post subject: |
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| jvalmer wrote: |
I don't remember, but my guess is 4th/5th grade. I graduated High School in '95. I remember first being introduced to fractions in grade 7, quadratic equations in grade 10 and calculus in my last semester of grade 12.
Based on my school experience, Korean schools are light years ahead in math, well more like 2 or 3 years ahead. |
I think you might be confusing long subraction with long division... |
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jvalmer
Joined: 06 Jun 2003
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| Posted: Fri Mar 28, 2008 5:47 am Post subject: |
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Just went threw a education website.
Atavistic is right, they start in 2nd or 3rd grade. |
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jvalmer
Joined: 06 Jun 2003
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| Posted: Fri Mar 28, 2008 5:48 am Post subject: |
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| Hanson wrote: |
| jvalmer wrote: |
I don't remember, but my guess is 4th/5th grade. I graduated High School in '95. I remember first being introduced to fractions in grade 7, quadratic equations in grade 10 and calculus in my last semester of grade 12.
Based on my school experience, Korean schools are light years ahead in math, well more like 2 or 3 years ahead. |
I think you might be confusing long subraction with long division... |
Yes, I was confused... long division, not subtraction |
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Cheonmunka
Joined: 04 Jun 2004
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| Posted: Fri Mar 28, 2008 6:01 am Post subject: |
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Thanks guys, my son has just begun 2nd grade here. He's crunching those numbers. I'm very proud of him. I had an inkling that he was doing something far more advanced than I did at his age.
I don't know what I hope to achieve at this post. I already told him I am proud of him. What more?
ummm |
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anae
Joined: 13 May 2003
Location: cowtown
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| Posted: Fri Mar 28, 2008 6:17 am Post subject: |
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| They do two digit subtraction with borrowing in grade two. |
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tfunk
Joined: 12 Aug 2006
Location: Dublin, Ireland
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| Posted: Fri Mar 28, 2008 6:20 am Post subject: |
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| Cheonmunka wrote: |
Thanks guys, my son has just begun 2nd grade here. He's crunching those numbers. I'm very proud of him. I had an inkling that he was doing something far more advanced than I did at his age.
I don't know what I hope to achieve at this post. I already told him I am proud of him. What more?
ummm |
It looks like his future is bright. Who knows, if he continues on his present path he may even become a Mod at eslcafe!
Seriously though, I don't think I'd like a kid that was smarter than me. Introduce him to the TV and tell him that Startrek is a documentary on ancient Rome. The same thing could happen with kids that could happen with robots...some day they'll become so intelligent they'll take control! |
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tfunk
Joined: 12 Aug 2006
Location: Dublin, Ireland
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| Posted: Fri Mar 28, 2008 6:21 am Post subject: |
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| jvalmer wrote: |
| Just went threw a education website. |
It wasn't a spelling site by any chance? |
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Cheonmunka
Joined: 04 Jun 2004
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| Posted: Fri Mar 28, 2008 6:55 am Post subject: |
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Who are 'they'? American, or Korean?
| Quote: |
| The same thing could happen with kids that could happen with robots...some day they'll become so intelligent they'll take control! |
I'll give the mathematicians [sp???]a bit more credit than the social scientists at this time.
Why am I still the *beep* laughing Tfunk? Have I drank too much or is what you said really funny??? |
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anae
Joined: 13 May 2003
Location: cowtown
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| Posted: Fri Mar 28, 2008 7:05 am Post subject: |
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| Sorry. Canandian kids, specifically Albertans, do that type of math in grade two. Some teachers with more advanced math training do very creative and advanced math with first graders. Some of my subbing in grade one/ two classrooms involved the use of brackets during calendar time. Give me a math sentence that equals the 120 (we have been in school 120 days) can get pretty creative after they have been doing that all year. |
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Atavistic
Joined: 22 May 2006
Location: How totally stupid that Korean doesn't show in this area.
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| Posted: Fri Mar 28, 2008 7:17 am Post subject: |
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| anae wrote: |
| Sorry. Canandian kids, specifically Albertans, do that type of math in grade two. Some teachers with more advanced math training do very creative and advanced math with first graders. Some of my subbing in grade one/ two classrooms involved the use of brackets during calendar time. Give me a math sentence that equals the 120 (we have been in school 120 days) can get pretty creative after they have been doing that all year. |
Oh God. Calendar math. I had forgotten all about that. I HATED doing calendar math. |
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SuperHero
Joined: 10 Dec 2003
Location: Superhero Hideout
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| Posted: Fri Mar 28, 2008 7:24 am Post subject: |
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| anae wrote: |
| They do two digit subtraction with borrowing in grade two. |
my daughter is doing that on her own - asked for a math book at the bookstore and she does it for fun.
kindergarten isn't teaching that, she's just smart (must come from her mother) |
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Cheonmunka
Joined: 04 Jun 2004
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| Posted: Fri Mar 28, 2008 7:24 am Post subject: |
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| They do similar formulaec kind of stuff, wordy introductions to math enquiries. |
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