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Attractive Tablecloths: Difference between revisions
From OER in Education
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|tagline= Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs? | |tagline= Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs? | ||
|image=NRICH900.jpg | |image=NRICH900.jpg | ||
|content= | |content= This problem encourages students to look at the structure of several symmetric patterns in the context of tablecloths and to explain how to generate rules for finding the number of colours required. There are five 5x5 square tablecloths to work through, each satisfying a different symmetry rule. | ||
|strategy= | |strategy= | ||
|topic= Geometry | |topic= Geometry | ||
