### Recent Comments

- clippings.me on What’s Normal?
- Laura Weise on Geometry before Algebra?
- SimonSSLark on Sketchpad & Data Tables
- Dismom on Geometry before Algebra?
- Palesa on Geometry before Algebra?

### Archives

- July 2012
- July 2011
- April 2011
- July 2010
- June 2010
- April 2010
- December 2009
- November 2009
- October 2009
- September 2009
- August 2009
- June 2009
- May 2009
- April 2009
- March 2009
- February 2009
- January 2009
- December 2008
- November 2008
- October 2008
- September 2008
- August 2008
- July 2008
- June 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007

# Monthly Archives: April 2008

## Ready or not, here we come!

This weekend is the ICTM High School Math Contest State Finals. Friday afternoon I’ll be one of two coaches driving a bus1 of math team students down to U of I. Six students qualified to compete individually. Our 5 person … Continue reading

## Proof Update

Things have gone much better the past two days with the trig proofs. Much much better. Yesterday, I asked for volunteers to put up the solutions. Not every problem was done correctly (most were though). Having the students explain their … Continue reading

Posted in First Year, Math, Problem Solving
8 Comments

## “Teaching” Proofs

We recently began trig proofs. I love trig proofs. To me they are a joyful puzzle. My students don’t quite share my sentiments. /understatement Today I heard: “I don’t know where to begin“, “This takes too long“, or “Show me … Continue reading

## Grasping at Straws

We’ve been exploring the ideas of similarity and congruence in my freshmen classes. Today the students developed congruence by SSS – with straws. Supplies needed: drinking Straws (1-2 per student), string (dental floss was too slippery), and scissors. Question 1: … Continue reading