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Tool: Fractions - Adding
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Go to: http://nlvm.usu.edu/en/nav/frames_asid_106_g_3_t_1.html (opens a new window)
Description: Illustrates what it means to find a common denominator and combine.
Technology Type: Java Applet
Guide: User's Guide (opens a new window)
Author: National Library of Virtual Manipulatives (Utah State University)
Language: English
Cost: Does not require payment for use

Average Rating:  [4] Login to rate this resource
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Reviews: see the 3 reviews of this resource / add a review of this Tool
Discussions: see the 10 posts discussing this resource

Tool: Fraction Pieces
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 Other Review (Not based on classroom experience) Reviewer: arhard, Jun 10 2008 10:57:48:263AM Appropriate for: introduction to a concept, practice of skills and understandings Ability to meet my goals: Effective Recommended for: Math 3: FractionsMath 4: FractionsMath 5: Fractions Teacher Review (Not based on classroom experience) Reviewer: crobrad0709, Jun 9 2008 04:19:55:807PM Appropriate for: practice of skills and understandings, applications of a concept or technique Ability to meet my goals: Effective Recommended for: Math 4: Fractions Student Review (Not based on classroom experience) Reviewer: Mike013, Nov 28 2005 07:40:10:510PM Appropriate for: introduction to a concept, practice of skills and understandings Ability to meet my goals: Effective Recommended for: Math 6: Fractions Read the full length reviews for this resource
 Don Link Comment: I like that tool uses both rectangles and circles. Some changes would be helpful: 1) don't give same problem twice in a row, 2) error messages could be more instructive, 3) don't show solution shape until solution screen is shown.