April 6, 2007
Volume 12 No. 14

In This Issue

Rainforest Maths




Rainforest Maths


Jenny Eather offers interactive mathematics activities for grades K through 6 covering a variety of topics, including:

  • Number & Number Systems
  • Operations & Calculations
  • Strategies & Processes
  • Patterns & Algebra
  • Measurement
  • Space & Geometry
  • Chance & Probability
  • Data Analysis
  • Money

Eather offers a link to the required Flash Player for users to download, if needed.



Connexions is a site designed to help users share knowledge and build communities. The Content Commons contains educational materials, and organizes them in small modules that are easily connected into larger courses. All content is free to use and reuse under the Creative Commons "attribution" license.

Currently 499 modules and 6 courses are listed under "Mathematics and Statistics" and 2506 modules and 117 courses are listed under "Science and Technology."

Examples of some modules include:

Bar Charts
Measures of Central Tendency



The nikoli.com site releases three or more problems every day. Step through tutorials and solve Flash puzzles of:

  • Slitherlink
  • Nurikabe
  • Heyawake
  • Akari
  • Hitori
  • Sudoku
  • Kakuro

Nikoli and their readers constantly study and invent new puzzles, having created over 200 kinds of original puzzles.


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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The Math Forum is also home to Ask Dr. Math, Problems of the Week, MathTools, Teacher2Teacher, the Internet Math Library, math discussion groups, and over 1,000,000 pages of mathematics information and discussions.

Texas Instruments
is a sponsor of
the Math Forum

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