Chip Rollinson – Resources – GeoGebra

Spinning stuff
Book
Chip Rollinson
Circles stacked in a unit circle (1812 Japanese geometry problem)
Activity
Chip Rollinson
Conic Section GeoGebra Collection
Book
Chip Rollinson
Clock with variable hours
Activity
Chip Rollinson
Cardioids, Spirals, etc
Book
Chip Rollinson
Parametric Functions - Velocity and Acceleration Vectors
Activity
Chip Rollinson
Calculus Applets
Book
Chip Rollinson
Rhombus inscribed in ellipse, circumscribing a circle
Activity
Chip Rollinson
Pythagorean Theorem Proofs
Book
Chip Rollinson
Goat Tethered to Silo
Activity
Chip Rollinson
Rolling Parabola
Activity
Chip Rollinson
Calculus - Polar Area
Activity
Chip Rollinson
Ellipse - Geometric Definition
Activity
Chip Rollinson
Area & Volume
Book
Chip Rollinson
Rolling Conic Sections
Activity
Chip Rollinson
Intersecting cylinders
Activity
Chip Rollinson
Rotated Square Slices About a Line
Activity
Chip Rollinson
Torus Intersections
Activity
Chip Rollinson
Calculus - Fundamental Theorem of Calculus
Activity
Chip Rollinson
Circular Trigonometry Definitions
Activity
Chip Rollinson
Trigonometry Applets
Book
Chip Rollinson
Trigonometry Ratio Graph from Unit Circle
Activity
Chip Rollinson
Moving Points
Activity
Chip Rollinson
Spinning Segments (Epicycloids)
Activity
Chip Rollinson