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 Post subject: Rotational symmetry
PostPosted: Thu Jun 09, 2011 2:24 pm 
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Joined: Thu Mar 10, 2011 2:49 pm
Posts: 99
I have managed to identify rotational symmetry as one of the areas my DD struggles with.
Does anyone have any ideas how to help?
Thanks.


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 Post subject: Re: Rotational symmetry
PostPosted: Thu Jun 09, 2011 2:33 pm 
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Joined: Mon Jun 18, 2007 2:32 pm
Posts: 6962
Location: East Kent
concrete examples, cut shapes out and rotate them, try googling it too, there are some good interactive materials.

http://www.mathsonline.co.uk/nonmembers ... ation.html

http://www.bbc.co.uk/schools/ks3bitesiz ... ise4.shtml

there are lots more, it;s worth a look.


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 Post subject: Re: Rotational symmetry
PostPosted: Thu Jun 09, 2011 9:57 pm 
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Joined: Thu Mar 10, 2011 2:49 pm
Posts: 99
Thank you YOYO123 I will check the sites you recommend and try cutting them out as you suggested.

Sometimes it seems like I can't see the wood from the trees when involved with the 11+. I think I need to take a step back and get some perspective on it all.

Thank you for your help.


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 Post subject: Re: Rotational symmetry
PostPosted: Thu Jun 09, 2011 10:05 pm 
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Joined: Thu May 26, 2011 8:37 pm
Posts: 577
My son struggles with rotation too. And reflection. I get him to draw the pattern on a small piece of paper and rotate it. If it's a fairly straight forward one, I use concrete imagery. E.g. saying 'The square is a ball court and the dot is a ball inside it. The boy kicks the ball into this corner, then that corner.' That sort of explanation, linking it to reality, seems to help. Also, sometimes we draw the rotation onto the image to work out where it goes next. Working it in the imagination is a lot harder than working it out on paper.


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