ppt, 66.5 KB
ppt, 66.5 KB
a paper folding activity using a piece of A4 paper. having seen the creases, students must then use reasoning and angle facts to figure out the sizes of each of the angles
Creative Commons "Sharealike"

Reviews

2.8

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andy-pato

12 years ago
4

Re-rate as I now know what to do. For anyone else wondering where the 30degrees angles come from, start with folding the page in half length ways (join A to D and L to N). After this, you will want to fold corner L up to the point where F is, making sure there is a crisp fold all the way through corner N. Then fold along the line FN. Sorry if that's a bit confusing, but hope it helps people to get the idea. This activity made a great starter for my top set GCSE class.

gertraud

13 years ago
3

I have seen this done before - it is brilliant, but please give more info on how to make the folds - I just can't see where the Right angled triangle at the bottom, and hence the 30 deg, come from. can you post them here?

b_murphyx

13 years ago
1

Looks like it could be interesting but needs some instructions

chezul

14 years ago
1

I'm sorry I don't get it. I think I see the concept. However, is there an order that the folds occur to make it easier.... Sorry I have missed the point I think. If you could email me a few more details I would appreciate it.

morbster

14 years ago
5

Wonderful. I have been looking for this for a while as it is a great 1-off lesson. Thankyou.

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