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(Not Common Core)-- Why are they teaching math this way?

Posted on 2/9/15 at 10:46 am
Posted by Bleeding purple
Athens, Texas
Member since Sep 2007
25315 posts
Posted on 2/9/15 at 10:46 am
1st grade:

Directions: use a doubles fact or a doubles plus one fact to help you solve the answer.

Bob has 2 dogs
Bob gets 2 more dogs
How many dogs does Bob have?

Cindy has 5 apples
Cindy picks 6 more apples.
How many apples does Cindy have now?



Directions:
Find the addends and subtrahend.

6 - __ = 2

3 + __ = 10



Directions:
Draw a number line to help you find the answer.

4 + 2 = __

9 + 5 = __



2nd grade
Directions: Use grouping to solve. Show your work.



23 37
- 9 - 8


Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 2/9/15 at 10:47 am to
What in the actual frick
Posted by goldennugget
Hating Masks
Member since Jul 2013
24514 posts
Posted on 2/9/15 at 10:48 am to
Government controls education

The dumber one is, the more they rely on government

Government has a vested interest in making the future generations dumb because it means more dumb people to rely on government, which will allow government to get larger and have more power/control.

This is by design
Posted by patnuh
South LA
Member since Sep 2005
6705 posts
Posted on 2/9/15 at 10:48 am to
Directions:
Find the addends and subtrahend.

6 - __ = 2

3 + __ = 10


WTF
Posted by junkfunky
Member since Jan 2011
33863 posts
Posted on 2/9/15 at 10:49 am to
What's the issue?
Posted by DeathValley85
Member since May 2011
17164 posts
Posted on 2/9/15 at 10:49 am to
ummmmmmmmmmmmmmmmmmmmmmmmmm

I know the answers but for some reason it seems confusing




ETA: The number line is legitimately useful for kids though.
This post was edited on 2/9/15 at 10:50 am
Posted by tgrbaitn08
Member since Dec 2007
146214 posts
Posted on 2/9/15 at 10:49 am to
IDK, but trying to help my 2nd grader with homework is frustrating as frick. I told my wife that I'm done with math homework....I can help with everything else but she has to help with math
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
35041 posts
Posted on 2/9/15 at 10:50 am to
They don't want parents working with their kids.

The government is the only acceptable teacher.
Posted by BRgetthenet
Member since Oct 2011
117682 posts
Posted on 2/9/15 at 10:51 am to
Well, the idiots win.

This new math is absolutely stupid.
Posted by brgfather129
Los Angeles, CA
Member since Jul 2009
17099 posts
Posted on 2/9/15 at 10:51 am to
quote:

Why are they teaching math this way?


There is nothing wrong with teaching children missing addends/subtrahends.
Posted by Salmon
On the trails
Member since Feb 2008
83534 posts
Posted on 2/9/15 at 10:52 am to
what is the problem...?
Posted by Cdawg
TigerFred's Living Room
Member since Sep 2003
59448 posts
Posted on 2/9/15 at 10:53 am to
quote:

what is the problem...?
Posted by TigerPox
Member since Oct 2010
33333 posts
Posted on 2/9/15 at 10:54 am to
I don't understand it. I feel like it takes more work than it is worth and honestly am not sure what it is teaching the kids.

quote:

doubles plus one
Hey hey hey
Posted by chinhoyang
Member since Jun 2011
23344 posts
Posted on 2/9/15 at 10:55 am to
Nothing wrong with that - we used number lines.
Posted by brgfather129
Los Angeles, CA
Member since Jul 2009
17099 posts
Posted on 2/9/15 at 10:56 am to
quote:

I feel like it takes more work than it is worth


It isn't "more work than it is worth"...it is the natural progression of understanding basic computation.

quote:

not sure what it is teaching the kids


The foundation of mathematics.
Posted by TigerFanInSouthland
Louisiana
Member since Aug 2012
28065 posts
Posted on 2/9/15 at 10:56 am to
quote:

use a doubles fact or a doubles plus one fact to help you solve the answer.


What the frick is a doubles fact? Or as
A doubles plus one fact?

What the frick is an addend/subtractahend?
This post was edited on 2/9/15 at 2:26 pm
Posted by SallyWheeler
Member since Dec 2007
3221 posts
Posted on 2/9/15 at 10:57 am to
quote:

not sure what it is teaching the kids.



It's teaching them how to not have to rely on a calculator by the time they are in 9th grade.
Posted by TheBob
Metairie
Member since Jun 2005
16935 posts
Posted on 2/9/15 at 10:59 am to
Short answer, to think more critically.

I think it is helpful in some ways, not helpful in other ways i.e. Math.
Posted by tgrbaitn08
Member since Dec 2007
146214 posts
Posted on 2/9/15 at 10:59 am to
We had one problem that said something like this:

Bob has 4 apples
Cindy gave Bob 3 apples.

How many more apples does Bob have now??



What is that teaching them? How is that even Math?
Posted by DrunkerThanThou
Unfortunately Mississippi
Member since Feb 2013
2846 posts
Posted on 2/9/15 at 10:59 am to
Because somewhere a bureaucrat w/ a liberal arts degree decided to change the way people do math so they feel useful and good about themselves. When your only tool is a hammer ( i.e "change") everything looks like a nail
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