Rearrange the Square--Online Math Channels

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Home--maths--First Grade--Rearrange the Square

Rearrange the Square

Simply cutting a corner off a square can lead to a puzzling activity.
1st sq

So the little triangle is removed:

2ndsq

This little triangle is then put back making sure that a corner of the triangle is always touching a corner of the shape that the triangle came from, and two edges line up.

We can then make new shapes:

2 examples

Which were made as follows:

answers

So here's the challenge: Can you make all the following and tell us about how they are made from the two shapes?

18 shapes

2007-02-24 13:57:36

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Thank you to online math channels' Mathematics Department for hosting these lessons.