math jamboree

Yesterday half of my Geometry students were out taking English 10 ECA's, and I thought it was the perfect opportunity to do some fun mat...

In geometry, we're studying pairs of angles formed by two lines and a transversal. I used Andrew Stadel's activity for this lesson ...

Day 1 of organizing school work went pretty well. I was surprised how organized I kept everything during the year because it wasn't too ...

I don't have kids, but the title of this post comes from the title of Chris Danielson's blog by the same name. I was at the laund...

At the beginning of the year, I had my Geometry students use the free software GeoGebra to model an orienteering situation. They really str...

Almost every day I write the date on the board using a mathematical expression. Today I was lazy and just wrote February 12, 2014. Someti...

The internet was down at school so we couldn't do our normal Estimation 180 to start my 8th grade math classes. However, the state exam ...

I read this post about using Mastermind to teach proofs and logical thinking. I've been meaning to introduce the game for a while in my ...

I'm have to go to a training session at school tomorrow, which means I'll be missing one period of the day. Today's a snow day, ...