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

Posted in Math | Tagged | 6 Comments

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

Posted in First Year, Math, Problem Solving | Tagged | 4 Comments

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

Posted in Math, Problem Solving | Tagged , , | 10 Comments

Not Knowing

I was hesitant to put up this problem. There was part of me that didn’t want to admit I was stuck. That I didn’t know the why of the answer. I’m a teacher. I’m supposed to be the “expert”. How … Continue reading

Posted in General | 2 Comments

What Am I Missing?

This math team problem is giving me a headache. It is one of 20 problems from the 1999 ICTM State Competition for Algebra II. The students have 50 minutes. I’ve spent hours on this one. Given, , , Let be … Continue reading

Posted in Math | Tagged , | 4 Comments

Math Team: Ideas Needed

I am one of the four math team coaches for my school1. We have a coach for each level. We’re part of NSML and we also compete in the ICTM Regional Contest. Our “season” runs from the first week of … Continue reading

Posted in Math | Tagged | 5 Comments