fun with geometry

Pentominoes have started entering primary math textbooks. More generally, polyominoes are great for recreational math and school math. Here is how to make them and links to how they can be used.

Tangrams are popular for recreational math as well as for school math. Here are some layouts to make them from cardboards, link to (i) making a full set from one A4 sheet and (ii) various ways to use them.

Some geometric concepts and properties of some shapes can be explored with straw models. How to make and how to use such models are included.

Want a teaser for yourself (or your learners) on topics like the Black Hole, non-Euclidean geometry, the Big Bang or Relativity? Take a look at this comic book and befriend Prof Jean Pierre Petit!

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