Category Archives: Uncategorized

Isometric graph paper and 3D pictures

Translated from this post by Jane Kats. At our math festivals and during Mousematics lessons we actively use isometric graph paper, aka “triangular grid paper”.  Sheets with a triangular grid can be downloaded on our site here in the free downloads … Continue reading

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Fun with pentacubes

Today we started a unit on geometry with the second graders.  The first activity had them explore how many different structures can be made out of 4 snap cubes.  They very quickly came up with the five tetrominoes: After a … Continue reading

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Funville Adventures launched!

Funville Adventures, our book with Allison Bishop, is officially published! It is available on amazon and directly from Natural Math, where you can read more about the book. Here are some early reviews of the book: “You too will want … Continue reading

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Counting crocodile legs

Katie, at nine years old, rarely asks me to give her math problems.  She always has a lot on her mind and gets plenty of problems from school and other math-related activities (interesting problems do sometimes come up spontaneously in … Continue reading

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Counting beads

Translated from this post by Jane Kats. Recently, at our math lessons with 5-6 year olds, we were … threading beads. Actually, we were making very simple abacuses. We were putting 5 light beads and 5 dark beads on a … Continue reading

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Playing Broken Telephone

What follows was translated from this post by Jane Kats.  The game described was played by children ages 5-6, but I feel that a variation of it could be fun for older kids, or even adults.  Ideas? When I was … Continue reading

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Drawing heads, tails, knees, and toes – useful?

Drawing a useful picture or diagram is an important problem-solving skill.  From teaching different groups of elementary school children, I have noticed that some students are very reluctant to draw anything whereas others will draw elaborate pictures with lots of … Continue reading

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