Comments on: Which One Doesn’t Belong?
https://blog.tanyakhovanova.com/2017/05/which-one-doesnt-belong/
Mathematics, applications of mathematics to life in general, and my life as a mathematician.Thu, 17 Mar 2022 12:07:00 +0000
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By: Jaijith
https://blog.tanyakhovanova.com/2017/05/which-one-doesnt-belong/#comment-13396
Thu, 17 Mar 2022 12:07:00 +0000https://blog.tanyakhovanova.com/?p=1289#comment-13396First is regular hexagon. Second is irregular hexagon ; Third one ( on left)is an irregular hexagon as well ,,,so the fourth which is a pentagon stands as odd ..
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By: Shiri
https://blog.tanyakhovanova.com/2017/05/which-one-doesnt-belong/#comment-12534
Thu, 13 Jul 2017 13:42:44 +0000https://blog.tanyakhovanova.com/?p=1289#comment-12534I bet they mean the hexagon, since each of the others doesn’t belong (non-convex, sides of not-equal length, and diff number of sides) so the hexagon is odd in that it does belong with any of the other two in an easily defined class. No?
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By: Al Yunani
https://blog.tanyakhovanova.com/2017/05/which-one-doesnt-belong/#comment-12512
Fri, 26 May 2017 11:08:42 +0000https://blog.tanyakhovanova.com/?p=1289#comment-12512Nice one, Tanya!
I would guess that the “odd” depends very much on one’s background and nature. I would bet that a painter or artist in general, would reply with no hesitation bottom left, since it is the only “ugly” one. Mathematical interpretation of “ugly” :the only one without an axis of symmetry. Symmetry is important! More important than concavity. ðŸ™‚
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By: Jo in OKC
https://blog.tanyakhovanova.com/2017/05/which-one-doesnt-belong/#comment-12510
Thu, 25 May 2017 18:51:43 +0000https://blog.tanyakhovanova.com/?p=1289#comment-12510The teachers book for this is great. It looks like you got the student book.
The biggest challenge is to find a reason each one of the 4 things doesn’t belong.
Some sample reasons for the cover shapes
* Top Left: Is a regular hexagon.
* Top right: Is concave. All others are convex. Also, can be divided into 3 squares. Every angle is a right angle.
* Bottom Left: Every side is a different length
* Bottom Right: Has 5 sides/is a pentagon. All others have 6.
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