[Math4u] Re: Does fraction mean division?

Hi,

my question wasn't how to proceed if we have 3 pizzas to share

equally in 4 parts, but I just put the question about

vizualisation.

when you see 3/4 you can see it as a pizza cut into 4 equals parts (which

h is the fractioning within the unit)

 

and at the same time you can see it as 3 pizzas to cut in 4 equals parts.( which is the fractionning of the plurality)

Badriya

 

 

 

--- In Math4u@yahoogroups.com, Vinaire <vinaire@...> wrote:
>
> To divide 3 pizzas among 4 people, one must first divide each of the 3 pizzas into quarter pieces. This gives us 12 quarter-size pieces. We now distribute these 12 pieces equally among 4 people, each person getting 3 of these quarter-size pieces, which 3/4 of pizza.
>
> This gives you a very important property of fractions:
>
> 3/4 = 3 of 1/4
>
> Here 1/4 is the "unit fraction." 3/4 is 3 of those unit fractions.
>
> Vinaire
>
>
>
> ----- Original Message ----
> From: Ms Kim Noname nineballaddict@...
> To: Math4u@yahoogroups.com
> Sent: Friday, December 14, 2007 12:36:03 PM
> Subject: Re: [Math4u] Does fraction mean division?
>
> I believe you can still refer to 3/4 as division, as
> in your example of the pizza, you are dividing 3
> pizzas among (by) four people, and each will end up
> with 3/4 of 1 pizza.
>
> --- badriyaraihani <bonnerentree2003@ yahoo.fr> wrote:
>
> >
> > Hi everyone,
> >
> > What is ¾ ?
> >
> >
> >
> > We can visualize ¾ as 1 pizza cut into 4
> >
> >
> >
> > equal slices and you get 3 slices.each
> >
> >
> >
> > slice equals ¼ . and you get 3x1/4. In
> >
> >
> >
> > this case ¾ is a fraction (we do the share within 1
> > )here to
> >
> > have a whole (1) we mut add 1/4.This is a unit
> > partition
> >
> >
> >
> > But ¾ can also be seen as 3 pizzas to be shared
> > among 4 persons.
> >
> > We have 3 units .here we say that we have to divide
> > 3
> >
> > units into 4.This is a plural partition
> >
> > So in this case ¾ is a division
> >
> >
> >
> > In the both cases the fraction bar(/) is used .
> > this slash
> >
> > sometimes mean fraction and sometimes division.
> >
> >
> >
> > It is a big mistake to say that fraction mean
> > division.only in
> >
> > the case of the unit fractions( fractions which
> > have 1 as
> >
> > numerator) that the meaning of fraction is equal to
> > the
> >
> > meaning of division.
> >
> >
> >
> > The fraction ¼ is the same of 1 divided by 4
> >
> >
> >
> > Badriya
> >
> >
> >
> >
> >
> >
> >
> >
>
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