July 17, 2009
Volume 14 No. 29

In This Issue

Problems of the Week Makeover

PCMI Statistics Activities

The Math Dude


Online PD

The Math Forum's Problem Solving Process

PoW Class Membership: ... Effective Implementation

Teaching Math with the Problems of the Week

Differentiated Math Instruction: Using Rich Problems to Reach All Learners

Problem Solving in Geometry and Measurement, Course 1

Problem Solving in Geometry and Measurement, Course 2

Moving Students from Arithmetic to Algebra

Resources & Strategies for Effective Math in Context (MiC) Implementation, Courses 1, 2, 3, and 4

Problem Solving Strategies


Free Online

Tools for Building Math Concepts

For PA teachers preparing for the Praxis II:
Moving to Mathematics, a series of online courses


New Problems of the Week Site and Software

The Math Forum @ Drexel is looking forward to the launch of new Problems of the Week software that will be faster, more reliable, and easier to use.

NOTE: In order to complete the transition and testing of the new system, our Problems of the Week services will not be available from Friday, July 31 through Tuesday, August 4. There will be no access to any part of any of the PoW services during that period: current problems, Library, Write Math, student registration, teacher offices, etc. will all be closed. We apologize for any inconvenience this disruption might cause.

Find out more about the benefits to students, teachers, and mentors here:


PCMI Statistics Activities

These statistics activities involving Fathom software were developed as part of the Park City Mathematics Institute, or PCMI. This year's institute is currently under way.

Our Backpack Data: Making Conclusions from Graphs


This small-group activity with whole-class discussion and optional use of Fathom software involves graphing data from a survey of guessed vs. actual weight of backpacks.

Let 'Em Roll™ Simulation


In this activity, students calculate experimental and theoretical probabilities in a dice game in which both mutually exclusive and dependent events occur.

Parabolic Path to a Best Best-Fit Line


Students experiment with the underlying quadratic relationship between slope and residuals to find the least squares regression line in this activity.


See more projects, papers, and activities from PCMI here:


We host a public discussion group on Fathom and Tinkerplots software, available online (or by RSS) here:


The Math Dude


As the Math Dude, Mike DeGraba engages students with his video explanations of Algebra I concepts. The 5- to 7-minute episodes are available via Flash on the web, podcast, RSS feed, and—if you live in Montgomery County, MD—cable TV. Episodes are produced to coordinate with Montgomery County's curriculum timetable, but are available on demand from the site.

Unit 1
graphic representations
solving one-step equations
solving multi-step equations
solving inequalities
Unit 5
the mean
the median and box & whiskers
sample spaces
Unit 6
laws of exponents
dividing monomials
polynomial operations
multiplying polynomials
solving equations by factoring
Unit 7
graphing parabolas
solving quadratic equations
exponential functions
properties of functions


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