Monthly Archives: April 2009

Repeat or Revise?

Last week I wrote about my idea for an activity for investigating SSS. Helpful ideas were provided in the comments: using straws and string, Geogebra, and Polystrips to name a few. The year before we used the string and straws … Continue reading

Posted in Math | 11 Comments

Functions

We’re in the “World of Functions” unit in IMP4. This may be my favorite unit in the whole curriculum. Instead of a separate sections on linear, quadratic, radical, rational, exponential, …, we’re studying functions. Delving deeper into the relationship between … Continue reading

Posted in Math, Problem Solving | Tagged , | 8 Comments

Side-Side-Side?

One of my classes is at an impasse. They all agree that having proportional sides does not guarantee similarity in a quadrilateral (yay for the students who thought to grab a rhombus and a square from the tub of shapes … Continue reading

Posted in Math, Problem Solving | Tagged , , | 15 Comments