News: Thoughts about maths thinking
Rule collision
The same experience has happened to me several times in the Maths Drop-In Centre recently – with different students from different courses – and it was such a strong pattern I need to talk about it.
The students are doing some algebra involving negative powers on the tops of fractions. Something like this:
Individual Ahas
At the Hmm... Sessions in November, something cool happened when a couple of the students were showing the rest of us the solution to a puzzle.
Books in the 22nd Century
I've just read a book called "Written for Children" by John Rowe Townsend. It was published in 1974 and gives the history of writing for children (in English) up to that time. It was very interesting reading. What I'd like to comment on here is the final chapter, where the author talks about the future of books (p333 onwards):
Wisdom from the Dodecahedron
The Dodecahedron is a character from the book The Phantom Tollbooth by Norton Juster. He lives in the city of Digitopolis at the base of the Mountains of Ignorance. Here is his description from the book (page 145)