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```Math Tools Newsletter
January 30, 2014 - No. 128

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Announcements
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2014 MATHEMATICS GAME
http://mathforum.org/yeargames/

The 2014 Year Game challenges students to write expressions
for each of the counting numbers 1 through 100, using the
digits in the year 2014, standard operations, and grouping
symbols. Starting January 1st many students have been
submitting their solutions. On February 1 those solutions
will be revealed ... but ... we will continue accepting more!

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Featured Resources
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As you browse the catalog, please take a moment to rate
a resource, comment on it, review it -- join an existing
conversation, or start a new discussion.

Story: Number Line Jumps Story - Chris Taranta
http://mathforum.org/mathtools/story/21026/
A teacher explains how he used the SMART Notebook:
Number Line Jumps file to help his students understand
why the rule "invert and multiply" works when
dividing fractions.

Story: Classroom narrative: Frogs - Nathalie Sinclair
http://mathforum.org/mathtools/story/974/
A story from the middle school classroom: the mathematical
ideas and questions encountered by one group of students
worked with the Frogs microworld.

Story: Great Green Globs Contest - Ihor Charischak
http://mathforum.org/mathtools/story/19408/
A story from the middle school classroom: Ihor describes
how he scheduled a "contest" for students to show what they
know about slopes and y-intercepts using the Green Globs
software. He also provides links to student work and
other resources.

Tool: 9 digits - Wendy Petti & Maurici Carbo
http://mathforum.org/mathtools/tool/234619/
This is a puzzle with 9! possibilities and 336 solutions. The
problem posed in 9 digits consists in the organization of
the numbers 1 to 9 in a square of 3 * 3 to make the sum
of the numbers of the first two rows equal to the bottom
row. This app is aimed at reflecting on the addition and

Tool: SMART Notebook: Coordinate Geometry - Robert Dawson
http://mathforum.org/mathtools/tool/19753/
Find the area and perimeter of a shape by using coordinate
geometry. The pages that have a brown background are
for teachers. This way a teacher can easily identify notes
about pages. Notebook software activities to create,
manipulate and save notes and electronic materials using
SMART Notebook software (part of SMART Board software).

Support Material: Unizor - Creative Mind through Art of Mathematics - Zor Shekhtman
http://mathforum.org/mathtools/support/234405/
Whiteboard lectures for teenagers on algebra, trigonometry,
vectors, matrices, combinatorics, probability, and statistics.
The process presented on the Web site is aimed to develop
your intellectual abilities which cannot be forgotten. Educational
material on UNIZOR.COM is provided in two forms: video
presentation and notes for each one.

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http://goodwin.drexel.edu/soe/```