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Outline
Optical Illusions
Sugihara's Impossible Circle/Square Illusion
Comparing Tables
Optical Illusion
Dongurakokko d'Akiyoshi Kitaoka
Moiré Patterns
Balls in the Hall
Impossible Box
Improbable Construction
Dot Disc
Frank Force 3D Optical Illusion
Fraser illusion
Go up and down the stairs at the same time
Pinna Illusion
Footstep Illusion
Dots Optical Illusion
Escher cube
Optical illusion
Tilt
Impossible triangle—line up the dots
Impossible triangle 2—line up the dots
Impossible Star
Impossible Triangle (Penrose Triangle)
Optical Illusions
Author:
John Golden
Math and tricksies.
Sugihara's Impossible Circle/Square Illusion
Comparing Tables
Optical Illusion
Dongurakokko d'Akiyoshi Kitaoka
Moiré Patterns
Balls in the Hall
Impossible Box
Improbable Construction
Dot Disc
Frank Force 3D Optical Illusion
Fraser illusion
Go up and down the stairs at the same time
Pinna Illusion
Footstep Illusion
Dots Optical Illusion
Escher cube
Optical illusion
Tilt
Impossible triangle—line up the dots
Impossible triangle 2—line up the dots
Impossible Star
Impossible Triangle (Penrose Triangle)
Next
Sugihara's Impossible Circle/Square Illusion
New Resources
Function art 3D - waiting shed
What Do You See? (2)
What Do You See?
Pythagorean Theorem: Quick Illustrator
Perpendicular Lines: Quick Exploration
Discover Resources
Level 1: Construct an equilateral triangle
Angles on a line
angle -supplementary angle
Can you build it?
Slope Intercept Form (Table, Graph, Equation)
Discover Topics
Congruence
Isosceles Triangles
Quadratic Functions
Polynomial Functions
Vectors