Need math help

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Need math help AuntK 07-21-2008
---> Re: Need math help Hanne Gottliebs...07-21-2008
  `--> Re: Need math help jeanne-nzlstar*07-21-2008
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Posted by AuntK on July 21, 2008, 11:08 am


I am soooo mathmatically challenged! I am in the process of laying
out my next project. EQ5 I think has lost it's mind. It's a very
simple quilt. Ohio star blocks w/plain bocks in between - kind of.
Anyhow...I have a total of 156 plain and 1/2 triangle setting blocks.
They are 6 in. square. EQ5 is telling me I need 30 yds! I know this
is wrong but not sure how much fabric I really do need. I can not for
the life of me calculate this and my local sources are all busy and
not answering their phones! Help, PLEASE! TIA

Kim in NJ

Posted by Hanne Gottliebsen on July 21, 2008, 11:20 am


AuntK wrote:
> I am soooo mathmatically challenged! I am in the process of laying
> out my next project. EQ5 I think has lost it's mind. It's a very
> simple quilt. Ohio star blocks w/plain bocks in between - kind of.
> Anyhow...I have a total of 156 plain and 1/2 triangle setting blocks.
> They are 6 in. square. EQ5 is telling me I need 30 yds! I know this
> is wrong but not sure how much fabric I really do need. I can not for
> the life of me calculate this and my local sources are all busy and
> not answering their phones! Help, PLEASE! TIA
>
> Kim in NJ

Kim,

I'm not sure I have quite understood, but here goes:

156 squares: finished 6 inches, so you need to cut them 6.5 inches.

Across a bolt of fabric you should be able to get 6 6.5 inch squares.

156/6 = 26 So you need 26 rows of 6.5 inches.

That is a total of 169 inches, which is 4 yards and 25 inches.


Now, how many 1/2 square triangles do you need?

Hanne in London

Posted by AuntK on July 21, 2008, 11:35 am


> AuntK wrote:
> > I am soooo mathmatically challenged! =A0I am in the process of laying
> > out my next project. =A0EQ5 I think has lost it's mind. =A0It's a very
> > simple quilt. =A0Ohio star blocks w/plain bocks in between - kind of.
> > Anyhow...I have a total of 156 plain and 1/2 triangle setting blocks.
> > They are 6 in. square. =A0EQ5 is telling me I need 30 yds! =A0I know th=
is
> > is wrong but not sure how much fabric I really do need. =A0I can not fo=
r
> > the life of me calculate this and my local sources are all busy and
> > not answering their phones! =A0Help, PLEASE! =A0TIA
>
> > Kim in NJ
>
> Kim,
>
> I'm not sure I have quite understood, but here goes:
>
> 156 squares: finished 6 inches, so you need to cut them 6.5 inches.
>
> Across a bolt of fabric you should be able to get 6 6.5 inch squares.
>
> 156/6 =3D 26 =A0So you need 26 rows of 6.5 inches.
>
> That is a total of 169 inches, which is 4 yards and 25 inches.
>
> Now, how many 1/2 square triangles do you need?
>
> Hanne in London

THANK YOU! A total of 40 1/2 sq. triangles plus 4 setting triangles.

Posted by Hanne Gottliebsen on July 21, 2008, 11:54 am


AuntK wrote:
>> AuntK wrote:
>>> I am soooo mathmatically challenged! I am in the process of laying
>>> out my next project. EQ5 I think has lost it's mind. It's a very
>>> simple quilt. Ohio star blocks w/plain bocks in between - kind of.
>>> Anyhow...I have a total of 156 plain and 1/2 triangle setting blocks.
>>> They are 6 in. square. EQ5 is telling me I need 30 yds! I know this
>>> is wrong but not sure how much fabric I really do need. I can not for
>>> the life of me calculate this and my local sources are all busy and
>>> not answering their phones! Help, PLEASE! TIA
>>> Kim in NJ
>> Kim,
>>
>> I'm not sure I have quite understood, but here goes:
>>
>> 156 squares: finished 6 inches, so you need to cut them 6.5 inches.
>>
>> Across a bolt of fabric you should be able to get 6 6.5 inch squares.
>>
>> 156/6 = 26 So you need 26 rows of 6.5 inches.
>>
>> That is a total of 169 inches, which is 4 yards and 25 inches.
>>
>> Now, how many 1/2 square triangles do you need?
>>
>> Hanne in London
>
> THANK YOU! A total of 40 1/2 sq. triangles plus 4 setting triangles.

OK, let's try that:

40 HST (I assume these are for the sides of the quilt, right?)

They should be cut 6 7/8 inches square, then split on the diagonal.
Please note that if they are for the sides of the quilt, it will give
you bias edges on the outside!

Anyway, you need 40 HST, that is 20 of the 6 7/8 squares. You need 4
strips of 6 7/8 wide, then cut 5 squares from each. That is a total of
27.5 inches.


By "setting triangles" I guess you mean the corners of the top? So 4
QST? Again beware of bias on the outside. For this you need just one
square and cut them all from that one.


Now if all your setting squares and triangles are from the same fabric,
you should need

169" for squares
28" for HSTs
8" for QSTs

(I've rounded up on the last two).

Total of 205", that just under 5 3/4 yards. You might want to add a
little extra for shrinkage etc.

You might also want to wait a few hours and see how many tell us that my
maths is bad :-)



Hanne in London

Posted by AuntK on July 21, 2008, 12:16 pm


> AuntK wrote:
> >> AuntK wrote:
> >>> I am soooo mathmatically challenged! =A0I am in the process of laying
> >>> out my next project. =A0EQ5 I think has lost it's mind. =A0It's a ver=
y
> >>> simple quilt. =A0Ohio star blocks w/plain bocks in between - kind of.
> >>> Anyhow...I have a total of 156 plain and 1/2 triangle setting blocks.
> >>> They are 6 in. square. =A0EQ5 is telling me I need 30 yds! =A0I know =
this
> >>> is wrong but not sure how much fabric I really do need. =A0I can not =
for
> >>> the life of me calculate this and my local sources are all busy and
> >>> not answering their phones! =A0Help, PLEASE! =A0TIA
> >>> Kim in NJ
> >> Kim,
>
> >> I'm not sure I have quite understood, but here goes:
>
> >> 156 squares: finished 6 inches, so you need to cut them 6.5 inches.
>
> >> Across a bolt of fabric you should be able to get 6 6.5 inch squares.
>
> >> 156/6 =3D 26 =A0So you need 26 rows of 6.5 inches.
>
> >> That is a total of 169 inches, which is 4 yards and 25 inches.
>
> >> Now, how many 1/2 square triangles do you need?
>
> >> Hanne in London
>
> > THANK YOU! A total of 40 1/2 sq. triangles plus 4 setting triangles.
>
> OK, let's try that:
>
> 40 HST (I assume these are for the sides of the quilt, right?)
>
> They should be cut 6 7/8 inches square, then split on the diagonal.
> Please note that if they are for the sides of the quilt, it will give
> you bias edges on the outside!
>
> Anyway, you need 40 HST, that is 20 of the 6 7/8 squares. You need 4
> strips of 6 7/8 wide, then cut 5 squares from each. That is a total of
> 27.5 inches.
>
> By "setting triangles" I guess you mean the corners of the top? So 4
> QST? Again beware of bias on the outside. For this you need just one
> square and cut them all from that one.
>
> Now if all your setting squares and triangles are from the same fabric,
> you should need
>
> 169" for squares
> 28" for HSTs
> 8" for QSTs
>
> (I've rounded up on the last two).
>
> Total of 205", that just under 5 3/4 yards. You might want to add a
> little extra for shrinkage etc.
>
> You might also want to wait a few hours and see how many tell us that my
> maths is bad :-)
>
> Hanne in London- Hide quoted text -
>
> - Show quoted text -

Hanne - thank you! You are correct, all the squares, 1/2 and 1/4 sq.
triangles are all the same fabric. And I always overbuy anyhow just
for kicks & giggles. I knew 30 yds. was just waaaay too much and
probably had I worked it out the way you did for me I could have done
it. I was going on the sq. in/yd. of fabric thing and that was just
making my head spin! The bias on the outside should be a treat as I'm
planning on doing a large scalloped edge treatment! But after my last
adventure with 2 triangle borders to make up a zig zag border - the
scalloped edge should be a breeze!

Kim in NJ

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