April 27, 2007
Volume 12 No. 17

In This Issue

Problem Solving Strategies

Engauge Digitizer

TI Graphing Educator Guide


Problem Solving Strategies


Finlay McQuade, Boğaziçi University, Turkey, presents these strategies for solving problems:

  • Draw a Diagram
  • Make a List
  • Guess and Check
  • Divide and Conquer
  • Look for a Pattern
  • Start at the End

McQuade illustrates each strategy with sample math challenges and solutions by students. The site is available in English and Turkish.

Engauge Digitizer


Mark Mitchell's open source, digitizing software converts an image file showing a graph or map into numbers. The image file can come from a scanner, digital camera, or screenshot.

The numbers can be read on the screen and written or copied to a spreadsheet. The process starts with an image file containing a graph or map, with the final result as digitized data that can be used by other tools, such as Microsoft Excel and Gnumeric.

Sections of Mitchell's site include:

  • Screenshots
  • Applications
  • Help
  • FAQ
  • Platforms
  • Feedback
  • Requirements
  • Reviews
  • Links

TI Graphing Educator Guide


Texas Instruments offers resources for educators to use to explain the benefits of using graphing calculators for classroom assignments and homework, including:

  • Request an Educator Guide
        Letters to parents
        Research information
        Product comparison chart
        Information about TI's Volume Purchase Program
        A poster for your classroom
        A CD with customizable classroom handouts and a short video clip to show parents
  • What Parents Want to Know: The Top 10 Questions Parents Ask About Graphing Calculators
  • Educator Support
  • Getting Students Started
  • Powerful Evidence
  • Parental Guidance
  • Student Ownership


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