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Math Teachers at Play: Bonus 21 Jun 2010 | 12:11 pm

In case you’re following this blog in an RSS reader or other method that will alert you to new posts, but not to changes to existing posts: check out the bonus post just added to the latest Math Teach...

Math Teachers at Play: Three-Cubed Edition 20 Jun 2010 | 09:55 am

Photo Credit: Colin Hall Welcome to the Blog Carnival: Math Teachers at Play! Twenty-seven is one of my favorite numbers, so I was excited to find that “my” edition of the carnival would be number ...

Dr. Mike’s Big Numbers Contest 20 Jun 2010 | 09:50 am

For the last day of school, we decided to have all the kids in the school (ages 5-14) spend 5 minutes on Dr. Mike’s “Big Numbers” contest. The rules, from Dr. Mike were: You may write anything at al...

Watch this Space… 19 Jun 2010 | 06:26 pm

The Blog Carnival “Math Teachers at Play” will be appearing on this blog as soon as I manage to put it together, sometime tomorrow.  Sorry for the delay, but the submissions are amazing, and worth the...

2010 Puzzlers 9 Jan 2010 | 04:42 pm

I asked my middle schoolers to design problems involving the number 2010 to share with a partner.  I ended up being the logical person to be my 13yo son’s partner.  This is what he gave me.  I haven’t...

Fascinating Facts about the number 2010 9 Jan 2010 | 04:02 pm

A number of blog postings have arisen over the past week discussing fascinating facts about the number 2010. Check out the posts at MathNotations and 360.  I read about this gem: 2010 = 1+2-(3-4-5)*6...

Pi Day Post on Irrational Numbers 15 Mar 2009 | 06:09 am

My youngest son is obsessed with .  “How much is ,” he asked me one day recently.  “I don’t know, a little more than 27,” was my unsatisfactory reply (which, it turns out, is only accurate for large v...

Happy Square Root Day 3 Mar 2009 | 06:49 pm

Square Root Day occurs only nine times per century, and one of them is today: 3/3/09.  You might have been busy celebrating New Year’s Day on the first Square Root Day of the century: 1/1/01, and you ...

Numbers with exactly four factors 26 Feb 2009 | 12:06 pm

Last night, around midnight, needing a lesson plan for my middle school group, I strolled over to MathNotations and clicked on his Number Theory category for ideas.  The Four Factors Problem filled th...

While I wasn’t watching… 20 Sep 2008 | 03:18 pm

While I was off being distracted by life this summer, Kara Hazen of Hazen Happenings and Mathman at When Will I Use This? had nice things to say about my Blog.  Kara listed me among three “non-classma...

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