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Math Teachers Chatboard

order of operations help !

by ooo

Sep 19, 2012

lease help ! What is the correct way to work this problem ?

6 ÷ 2(1+2)

Is the answer 9 or 1 ??

Why? Thanks

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Process On 2/18/13, Rich/CA/Math wrote: > On 2/18/13, Krystle wrote: >> On 9/19/12, ooo wrote: >>> Please help ! What is the correct way to work this >>> problem ? >>> >>> 6 ÷ 2(1+2) >>> >>> Is the answer 9 or 1 ?? >>> >>> Why? Thanks >> >> HI! In order to solve ...See More

Feb 19, 2013

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Mrbdawg On 9/19/12, ooo wrote: > Please help ! What is the correct way to work this > problem ? > > 6 ÷ 2(1+2) > > Is the answer 9 or 1 ?? > > Why? Thanks I teach pemdas, but i immediately teach pedmsa and let the students tell me what makes them the same. I also like to point out there really is only addition and multiplication, ...See More

Mar 17, 2013

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Online progamming tool

by Sporkman

Sep 26, 2012

Hi All,

If anybody is interested in having students learn some basic programming, you could have them try writing a Sporkl program on the web. There are examples to get started with, and it supports graphics.

Thanks- Sporkman

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Solving equations with variables on both sides

by Deborah Farrell

Sep 29, 2012

I need ideas to help my students understand how to work with isolating variables when they are on both sides of the equation....thank you for any creative ideas and suggestions!!!!

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Red How well do they understand integers? Have you tried algebra tles?

10/01/12, math passerby wrote: > On 9/29/12, Deborah Farrell wrote: >> I need ideas to help my students understand how to work >> with isolating variables when they are on both sides of the >> equation....thank you for any creative ideas and >> s...See More

Oct 2, 2012

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ok What don't they understand when you tell them that you need to get all of the x terms on one side?

Oct 6, 2012

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Complex Fractions

by Mr. Anthony

Oct 4, 2012

What is the best way to explain how to solve complex fractions? Thank you all in advance for your time and consideration.

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math passerby On 10/04/12, Mr. Anthony wrote: > What is the best way to explain how to solve complex > fractions? Thank you all in advance for your time and > consideration.

If by "solve complex fractions" you mean rewriting a complex fraction as an expression that contains at most one fraction bar (which one then can seek to reduce to lowest t...See More

Oct 5, 2012

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math jeopardy game

by R Rader

Oct 7, 2012

I want to create a jeopardy game to be played on the smartboard for my pre-algebra students. Any suggestions for an easy to use template?

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algie2 On 10/07/12, R Rader wrote: > I want to create a jeopardy game to be played on the > smartboard for my pre-algebra students. Any suggestions > for an easy to use template?

This one is great: [link removed]

You can use mathtype equations by selecting plaintex in cut and copy preferences.

Oct 7, 2012

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maths problem

by zainab

Oct 15, 2012

domain and range of 1/(1-sinx)

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math passerby On 10/15/12, zainab wrote: > domain and range of 1/(1-sinx)

The only operation/function appearing that imposes a restriction is division, which requires that the denominator 1 - sin(x) be nonzero. Thus, the domain consists of all real numbers x except those making sin(x) = 1, which equals . . .

For the range, note that

...See More

Oct 15, 2012

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math passerby On 10/15/12, math passerby wrote: > 1 >= -sin(x) >= -1 > > Now add 1 throughout to get > > 2 >= -sin(x) >= 0

Ooops, this last inequality should be

2 >= 1 - sin(x) >= 0

Oct 15, 2012

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Manipulatives in Secondary Math Education

by Cale Moore

Oct 18, 2012

Hello, my name is Cale Moore and I am a product design student at the University of Kansas. For my senior thesis, I am designing a series of math manipulatives for higher levels of math (trigonometry, precalc, calc, algebra, etc.). If you are a secondary math teacher, it would greatly help my project if you would fill out a short survey concerning ...See More

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Linsey You'll have to make it easier to find if you want responses.

On 10/18/12, Cale Moore wrote: > Hello, my name is Cale Moore and I am a product design > student at the University of Kansas. For my senior thesis, > I am designing a series of math manipulatives for higher > levels of math (trigonometry, precalc, calc, algebra, &g...See More

Oct 19, 2012

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Cale Moore Oops. Looks like I posted the wrong link

Oct 23, 2012

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FRACTIONS!!! ...Looking for something fun!

by Holly

Oct 26, 2012

I am looking for a fun way to introduce fractions to elementary school children. I have a few ideas involving the chocolate bar, but I am trying to find something a little more active with less sugar. Any suggestions on games you might have used would be greatly appreciated!!!!

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Rich Swanson Holly, I can definitely understand your frustration with teaching fractions. One thing I found that helps is if the students see the practical application of them because many times we just teach the theory but give no reason for them to care. Check out the videos on the link URL I posted for you. They are fraction problems taught by students as pa...See More

Jan 2, 2013

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Math manipulatives for sale around Boston

by Mrs. L

Oct 27, 2012

I have lots of math manipulatives for sale... base 10 set, counting items, flash cards, home made games etc. Mostly appropriate for gr 1-4. Email me for more info

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fling hey yousexy little thing

Nov 8, 2012

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Total Trick

by PedagoNet

Nov 8, 2012

You will need nine cards : ace through nine. Shuffle. watch and be amazed. How is this possible? Demonstrate the card trick to your students...see if they can find the secret.

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