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Tool: Grid Area of a Circle Estimation
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Description: Given a grid, increase or decrease the number of squares on the grid or to approximate the grid area of a circle.
Technology Type: Java Applet 
Author: Nick Exner
Language: English 
Cost: Does not require payment for use

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Courses: Math 4 Area
Math 5 Area
Math 6 Rect coordinate geometry, Area
Math 7 Rect coordinate geometry, Area

Teacher Review (Not based on classroom experience)
Reviewer: melodyward, Jun 29 2009 03:24:40:480PM
Appropriate for: introduction to a concept
Ability to meet my goals: Neutral
Recommended for: Math 6: Geometry in the plane
Math 7: Geometry in the plane
Geometry: Circles, Perimeter, area, and volume
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