Archive for December, 2007

Fractions and their decimal expansions: An exploration

Thursday, December 27th, 2007

I've been thinking about expanding fractions into decimals recently because I want to do some videos that demonstrate mental Math techniques other than multiplication. I've been reading about the Vedic approaches to division and will cover some of those in future posts or videos. Related to Vedic division and to decimal ...

Math bloggers: What was your most popular post in 2007?

Wednesday, December 26th, 2007

I hope everyone had a great Christmas. I'm stealing this great idea from Problogger. Come join a virtual New Year's Eve party right here and reminisce a little about 2007. Leave a comment with this message stating what your most popular post was, using any criteria you desire. It could be the ...

12 days of Christmas: an exploration in counting presents

Monday, December 24th, 2007

A popular winter Math problem is the counting of presents given during the 12 days of Christmas. On the 1st day of Christmas my true love gave to me a partridge in a pear tree. On the 2nd day of Christmas my true love gave to me 2 turtle doves, and ...