Archive for February, 2008

Math cheat sheets on the web

Friday, February 22nd, 2008

While surfing the web I discovered this very cool 10 page Math cheat sheet! document.write(''); Read this doc on Scribd: Math cheat sheet - by Dr Seiden var scribd_doc = new scribd.Document(4549, '1tws15et2yl5j'); scribd_doc.write('embedded_flash_4549_7fgxe'); You can download the PDF file here. Scoring this gem led ...

Calculus in 4th grade?

Wednesday, February 20th, 2008

A while ago I discovered an interesting web site, Berkeley Science Books, that publishes a set of very comprehensive Ebooks called "Calculus Without Tears." Author Will Flannery has a pretty detailed explanation on the home page of his web-site of why he thinks Calculus can be taught in elementary school. ...

Griddlers make great “paint by number” puzzles for kids of all ages

Sunday, February 17th, 2008

I recently discovered a great web-site, Griddlers.net. The site has lots of puzzles called Griddlers, which I had never before heard of. Griddlers remind me of Sudoku; they're logic puzzles like Sudoku, but with an interesting twist. Once you've solved the puzzle you end up with a nice picture ...