Math Tools Newsletter January 30, 2014 - No. 128 --------------------------- Announcements --------------------------- 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! --------------------------- Featured Resources --------------------------- 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 commutative property of addition. 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. Sign in for structured study, assignment functions, and more. 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. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Quick Links... Math Tools - http://mathforum.org/mathtools/ Newsletter Archive - http://mathforum.org/mathtools/newsletter/ Math Topics - http://mathforum.org/mathtools/sitemap.html Discussions - http://mathforum.org/mathtools/discuss.html Community - http://mathforum.org/community/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The Math Forum @ Drexel is a research and educational enterprise of the Drexel University School of Education http://goodwin.drexel.edu/soe/