Math Tools Discussion: All Tools , Your Top N Tools?

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Topic: Your Top N Tools?

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Subject:	6th Grade Favorites
Author:	Don Link
Date:	Jun 15 2005

Here's a couple of mine that have already been mentioned:

6th Grade Math
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TOOL: Building Houses, Freudenthal Institute
   http://mathforum.org/mathtools/tool/16771/
WHAT: Allows construction of 3D solids made up of unit blocks.
   Solids can be rotated, and three 2D views are shown.
   Helpful in discussing volume vs. surface area.
WHY: Students love it. Particularly effective with SmartBoard.
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TOOL: Color Chips, NLVM, Utah State University
   http://nlvm.usu.edu/en/nav/frames_asid_161_g_2_t_1.html
WHAT: Uses red(-) & black(+) chips for integer addition & subtraction.
   Chips can be used individually or as red/black pairs (i.e., 0).
   When a red and black chip are dragged together, they disappear.
WHY: Students like it. Helps them visualize subtracting a negative.
   Emphasizes significance of zero as additive identity.

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