Math Moment: Perfectly Symmetrical

http://www.mathplayground.com/Perfectly_Symmetrical.html

Here's a fun little mind-stretching game. "Perfectly Symmetrical" gives you some dots scattered around one quadrant of a four-quadrant graph, and asks to to reflect the dots into the other four quadrants, racing against the clock. It's an exercise that builds a more sophisticated idea of symmetry than "The same on both sides," adding in the idea of reflecting around multiple lines of symmetry and that patterns of dots can be symmetrical, not just shapes.

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