Tag Archives: visual puzzles

Fun Math Festival

[This is a guest post made by my sister, Yulia Shpilman, about the awesome math festival that she organized last weekend.] So I finally did it!  I organized a math festival (thank you to Jane Kats for her inspiration and … Continue reading

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From 3D to 2D and Back

Last class we explored how 3-dimensional objects can be represented in 2 dimensions.  We started with a brief study of the cube; we counted the number of faces, vertices and edges (for some of the younger kids, this was not … Continue reading

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Does order matter?

When you get dressed in the morning, does it matter in which order you put on your pants and your shirt?  What about your socks and your shoes?  Which articles of clothing cannot be put on first?  What about last? … Continue reading

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Pentaminoes

Last Sunday at the Golden Key Russian School, we did a fun and engaging activity involving pentaminoes.  Pentaminoes are shapes made out of five squares connected along edges.  There are 12 of them up to rotations and reflections: These shapes … Continue reading

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