http://emmapbl.edublogs.org/2008/04/28/introducing-intersections-of-circles-and-lines/ Thoughts about a progressive Instructional Approach Sun, 12 Apr 2009 03:02:30 -0400 http://wordpress.org/?v=2.8.2 hourly 1 http://emmapbl.edublogs.org/2008/04/28/introducing-intersections-of-circles-and-lines/comment-page-1/#comment-9 matrix » Blog Archive » Introducing Intersections of Circles and Lines Tue, 29 Apr 2008 03:16:50 +0000 http://emmapbl.edublogs.org/2008/04/28/introducing-intersections-of-circles-and-lines/#comment-9 [...] Really Qwerty wrote an interesting post today onHere’s a quick excerptIn the past, many student remember solving systems of equations in algebra class, but they get confused when they see the quadratic terms. Once prodded in the right direction to ’substitute’ however, they realize that the linear … [...] [...] Really Qwerty wrote an interesting post today onHere’s a quick excerptIn the past, many student remember solving systems of equations in algebra class, but they get confused when they see the quadratic terms. Once prodded in the right direction to ’substitute’ however, they realize that the linear … [...]

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