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The Art of Problem Posing
Author:
Steve Phelps
"What if each attribute were not so; what could it be then?"
Brown & Walter, 2005
https://www.amazon.com/Art-Problem-Posing-Stephen-Brown/dp/0805849777
New Resources
A Happy Polar Leaf
Multiplying 4-Digit by 3-Digit Numbers Using an Area Model
Ogee Arch - Construction
Noisy loop
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Discover Resources
Geogebra Tutorial: Line Design Complete
Fractal Curve
Worksheet 2, Exercise 1
Discover Topics
Coordinates
Arithmetic Operations
Vectors
Tangent Function
Calculus