August 29, 2008
Volume 13 No. 35

In This Issue

Problem Solving and Communication Activity Series

Exploring and Writing Geometry

The Math Forum's Teacher2Teacher FAQ

Math Forum Resources for Family Nights


Free Online

For teachers of students in grades 5-9:
Technology Tools for Thinking and Reasoning about Probability

For teachers of students in grades 5-9:
Using Technology and Problem Solving to Build Algebraic Reasoning

For all students:


Problem Solving and Communication Activity Series

This new series is designed to expand students' problem-solving repertoire. Over the course of the year, we will cover many of the fundamental ways to approach challenging problems.

Each strategy will be explored through a document that describes activities to do with students, and examples of student responses that are specific to each problem (FunPoW, PreAlgPoW, AlgPoW, GeoPoW).

The problem-specific documents both provide illustrations of the activities and help you anticipate ideas that might come up in your class. The documents will be provided in PDF format.

If you have a PoW Membership (Individual, Class, Teacher or Trial), check out:

Problem of the Week Trial Account

A trial membership gives you and your students access for twenty-one days, including our new activity series.

Exploring and Writing Geometry
by Cathleen V. Sanders

Cathi Sanders has recently completed a new set of web pages, adding to the collection hosted on the Math Forum site. With Exploring and Writing Geometry, she documents a writing-intensive Geometry class that she developed when she was a teacher at the Punahou School in Hawaii.

The pages are organized under the following chapters:

  • Introduction
  • Constructions
  • Clock Problem
  • Test Corrections
  • ASN Explain
  • Thoughts about Slope
  • What Is Proof?
  • Congruent Triangles
  • Similar Triangles
  • Homework Corrections
  • Quads Project
  • Quads Midpoints
  • Quads Congruence
  • Polygons
  • Polygons Into Circles
  • Area and Perimeter
  • Writing about Grading
  • Center of a Triangle
  • Locus
  • Extra Credit Projects
  • Homework Reflections
  • Students' Overall Reflections
  • Parents' Evaluate Method
  • In Conclusion

View Cathi's other resources:

The Math Forum's Teacher2Teacher FAQ

As many of you greet the new school year, browsing the Teacher2Teacher FAQ can provide you with new ideas:

  • First Day of School
  • First Year Suggestions

Pages to plan ahead with:

  • 100th Day of School
  • Assessment Preparation
  • Literature and Mathematics
  • Metric Week
  • Pi Day

Have a question about teaching? Submit it here:

Math Forum Resources for Family Nights

Are you looking for mathematical activities to give parents and families to use at home with their children? This page lists resources that are readily available at the Math Forum.


This newsletter is provided as a service of The Math Forum, an online educational community for mathematics hosted by Drexel University, Philadelphia, PA.

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