Tag Archives: symmetry

The house of quadrilaterals

In Investigating an Ordering of Quadrilaterals published in ZDM, Gunter Graumann shared a good activity for developing students mathematical thinking. The activity is about ordering quadrilaterals based on its characteristics. He gave the following list of different aspects of quadrilaterals as possible basis for investigation. Sides with equal length (two neighbouring or two opposite or three or four sides) Sum of the length… Read More »

Math and Multimedia Blog Carnival #17

WELCOME to the 17th edition of Math and Multimedia Blog Carnival! As is the tradition, a math blog carnival should introduce the mathematical significance of n in its nth edition. I was lucky to host this 17th edition. I didn’t have to look further for the significance of the number 17. The 17 beautiful patterns of… Read More »

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