Blog

History DNA

I think we learn more when we’re having fun. I don’t know whether or not we learn better through fun activities than through drudgery, but since we enjoy fun more than drudgery, I think we’re more inclined to spend our time doing the fun stuff...

The Adventures of a Reluctant Homeschooler

If anyone had told me that I would one day be a ‘homeschooler’ I would have told them that they were nuts. There was no way I would have ever considered taking on the responsibility of teaching our son, Dar. And now, guess what, I’m...

The Math behind Xinwan’s Trick

In a previous post, I wrote a bit about a mental math method that I refer to as Xinwan’s trick. It involves multiplying two-digit numbers times eleven by splitting the digits and placing the sums between them. For instance, to multiply 62 x 11, you...

Xinwan’s Trick

Mental math - or mental calculation - really has very little to do with math. Well, I suppose it depends on how you look at math, but to me, mental math is mostly just a fun way to practice analytical thinking and problem solving -...

Joe’s Number Cards

I like to play games in my math classes. The other day, I was playing a game with my mental math class, when a student asked me about the design of my game cards. Most of the games I play in my math classes involve game...

City Girl Goes Granola

That was the tag line for my friend's wedding. The New York City girl who used to walk only as far as the curb to hail a cab one day up and moved to San Diego for a job and now she was getting married...