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              I have used Geoboard for iPad to visualize 
				a triangle with two squares and check out a variety of conjectures. 
				 
				Download on the App Store: Geoboard, by The Math Learning Center - Clarity Innovations 
				 
				
										Geoboard, by The Math Learning Center 
										
										The Geoboard is a mathematical manipulative tool for exploring a variety of 
		basic concepts in plane geometry introduced in the elementary and middle grades. Learners stretch bands around pegs to form line segments and polygons and make discoveries about perimeter, area, angles, congruence, translation,
rotation,
reflection,
similarity,
scaling,, fractions, and more.  
		 
		This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments that use iPod Touches, iPhones, or iPads. 
  
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