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Chris Harrow

Five Triangles mathematics: 8. Basic geometric shapes - 0 views

fivetriangles.blogspot.com/...basic-geometric-shapes.html

5 triangles geometry 3D cube slicing

shared by Chris Harrow on 07 Sep 13 - No Cached
  • Chris Harrow on 07 Sep 13
     
    A lovely 3D visualization problem
Chris Harrow

Five Triangles mathematics: 101. Fraction practice - ordering - 0 views

fivetriangles.blogspot.com/...raction-practice-ordering.html

fractions 5 triangles common numerator common denominator

shared by Chris Harrow on 06 Oct 13 - No Cached
  • Chris Harrow on 06 Oct 13
     
    This is a lovely fractions problem. I suspect most would try to find common denominators as that is what they've been trained to do. In this case, common numerators are easy to find and make the solution easier.
Chris Harrow

Finding Ways to Nguyen Students Over: When I Let Them Own the Problem - 0 views

fawnnguyen.com/...20130506.aspx

geometry golf reflections similar triangles

shared by Chris Harrow on 18 Aug 13 - No Cached
  • Chris Harrow on 18 Aug 13
     
    Another cool approach to this problem is to reflect either the hole or the ball over one of the sides and see if there is a direct line shot. Stripping down problems from all the textbook chatter is a grand way to get students thinking. And students defining their own problems is brilliant!
Chris Harrow

Five Triangles: 42. Hyperbola - 0 views

fivetriangles.blogspot.com/...42-hyperbola.html

pedagogy problem solving

shared by Chris Harrow on 13 Dec 14 - No Cached
  • Chris Harrow on 13 Dec 14
     
    Read the 2 comments at the bottom of the post. Brilliant and spot-on 2nd comment.
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