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Tool: Subtracting Fractions with Common Denominators
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Go to: http://www.conceptuamath.com/fractions.html#SubtractingCD (opens a new window)
Description: This interactive tool is one of a series of tools created by Conceptua Math that are designed for teacher-facilitated instruction. Teachers can use the Subtracting Fractions with Common Denominators tool to help students build a deep conceptual understanding of what it means to subtract one fraction from another and to understand the term "common denominator" through the use of multiple models. Easy-to-use features such as dragging, hide/show and linking assist students in connecting conceptual understanding to the procedure of subtraction in a systematic and clear sequence when teachers begin by working with models only, models and numbers and then numbers only. Designed to work on an interactive white board.
Technology Type: Flash 
Author: Conceptua Math
Language: English 
Cost: Does not require payment for use

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