Tag Archives: math with scissors

tetraflexagons and more

Here’s the latest kids’ math book I picked up at the library.    Mental Math Challenges by Michael L. Lobosco As usual I am learning more from it than I think my kids will (see: math is such a vast subject … Continue reading

Posted in books | Tagged , , , | Leave a comment

More Experimental Topology and Experiments in Topology

I visited my friends Peter and Liz (I stayed a few nights) and came back with a laundry list of things to post about: 1) They have some really cool polyhedra and mathematical quilts, so sometime I am going to … Continue reading

Posted in topology | Tagged , , , , , , , , , | 2 Comments

More Experimental Topology

I was thinking that there might be a way to get a hexagon along the lines of the methods of the post Math with scissors. I told my kids about the idea and they were excited to do some math … Continue reading

Posted in topology | Tagged , , , , , | 2 Comments

Math with scissors

The other day I visited my son’s class and did the following math demonstration. Take a strip of paper and draw a line down the middle. Our line is red. Tape one end to the other, but put a “half … Continue reading

Posted in topology | Tagged , , , , , , | 2 Comments