Tag Archives: 3D-geometry

Isometric graph paper and 3D pictures

Posted on December 8, 2017 by aofradkin

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

Posted on December 4, 2017 by aofradkin

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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Making Cubes

Posted on May 7, 2015 by aofradkin

Today I used Magformers to show Zoe how to make a cube. Then I said, “Now you do it.” She made me three! Here are the step-by-step pictures for one of them (if you go through them very quickly, it’ll … Continue reading →

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Nets and Decorations

Posted on December 17, 2014 by aofradkin

For the past two weeks, we have been continuing to explore 3D objects, and more specifically their nets.  During the first lesson, we played with the nets of a cube.  The kids were given pictures of hexominoes (arrangements of 6 … Continue reading →

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