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NRICH-TALK  April 2007

NRICH-TALK April 2007

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Subject:

NRICH April Newsletter

From:

Liz Pumfrey <[log in to unmask]>

Reply-To:

Liz Pumfrey <[log in to unmask]>

Date:

Wed, 11 Apr 2007 09:03:38 +0100

Content-Type:

text/plain

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Parts/Attachments

text/plain (63 lines)

Dear all,

A belated message to let you know that the April edition of NRICH is now 
online at http://nrich.maths.org.

As you might remember, in April, August and December the site contains 
two extra open-ended, investigative challenges and this month these are 
Investigating Pascal's Triangle 
<http://nrich.maths.org/public/viewer.php?obj_id=5593&part=index> and 
Like a Circle in a Spiral 
<http://nrich.maths.org/public/viewer.php?obj_id=5603&part=index> . To 
find them follow the links or select "This month" in the left-hand menu. 
We hope these challenges will intrigue and inspire you, as well as 
encourage you to talk to others about what you're doing. We also have an 
extra article for you: Paper Folding - Models of the Platonic Solids 
<http://nrich.maths.org/public/viewer.php?obj_id=5480&part=index> which 
describes how to build models of the Platonic solids simply using sheets 
of paper. Have a go - you'll amaze your friends with the results!

As in previous months, we have a new Sudoku to tantalise you: Ratio 
Sudoku 3 
<http://nrich.maths.org/public/viewer.php?obj_id=5604&part=index> . This 
time, the puzzle can be solved with the help of small clue numbers which 
are ratios or fractions of two digits in the two squares that are 
horizontally or vertically or diagonally adjacent to each other.

As usual, solutions to the current problems will appear at the beginning 
of May.

Back in January, we wrote to invite you to complete a questionnaire 
developed by Libby Jared as part of her current educational research.  
There has been a pleasing number of responses so far and Libby is very 
grateful to everyone who has given her information. Nevertheless, even 
now more replies will  be received with the same amount of gratitude.  
She would like to make one last request for final contributions as you 
return to school following the Easter Break. If there is anybody 
remaining who would be able to complete the questionnaire before the end 
of April then that would be great! It will disappear off the site at the 
end of this month.  Follow this link:  
http://freeonlinesurveys.com/rendersurvey.asp?sid=fcexf2js7z2gnfp248623 
or click on the "Questionnaire" menu item on NRICH: 
http://nrich.maths.org/public/viewer.php?obj_id=5583

With best wishes from The NRICH Team

-- 
Liz Pumfrey
NRICH Primary Coordinator
University of Cambridge Centre for Mathematical Sciences
Wilberforce Road
Cambridge
CB3 0WA
01223 764246
www.nrich.maths.org

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