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Lesson Plan: Balancing
Go to: http://illuminations.nctm.org/Lesson.aspx?id=326 (opens a new window)
Description: This lesson encourages students to explore another model of subtraction, the balance. This model leads naturally to recording with equations. Students use actual and virtual pan balances in their explorations and record the modeled subtraction facts and the related addition facts in equation form.
Technology Type: Computer 
Authors: NCTM: Illuminations
Grace M. Burton
Language: English 
Cost: Does not require payment for use

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Tool: Pan Balance - Shapes (Fixed Values)
Courses: Kindergarten Addition, Subtraction, Counting
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