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Steve Phelps
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Curve Stitching in 3D
Activity
Steve Phelps
Sum of Three Squares is a Square
Activity
Steve Phelps
Reflection Things
Activity
Steve Phelps
Intersection Points: Long or Short?
Activity
Steve Phelps
Parellel Segments: Longer or Shorter?
Activity
Steve Phelps
Large Circle or Small Circle?
Activity
Steve Phelps
Triangle Area of 6
Activity
Steve Phelps
Bar Chart or Pie Chart?
Activity
Steve Phelps
Circle and center
Activity
Steve Phelps
Right Angles: Long or short?
Activity
Steve Phelps
Slope is 1 or -1
Activity
Steve Phelps
How close to the midpoint?
Activity
Steve Phelps
Acute triangles?
Activity
Steve Phelps
Random Inscribed Triangle
Activity
Steve Phelps
Isogonal Conjugates: Euler Line and Jerabek Hyperbola
Activity
Steve Phelps
Isogonal Conjugate of a Line
Activity
Steve Phelps
Isogonal Conjugates: Nine-point Center and Kosnita Point
Activity
Steve Phelps
Isogonal Conjugates: Orthocenter, Circumcenter, Incenter
Activity
Steve Phelps
Manipulating a Reflected Image
Activity
Steve Phelps
Sampling Distribution of a Proportion
Activity
Steve Phelps
Simulation of a Binomial Random Variable
Activity
Steve Phelps
Images of F: Matrix Transformations
Activity
Steve Phelps
Law of Small Numbers
Activity
Steve Phelps
Barber Calls
Activity
Steve Phelps
