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Amy Zenthoefer
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Point Slope Worksheet
Amy Zenthoefer
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34
The Teacher's (and Student's) Toolbox
Simona Riva
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GeoGebra Bubbles = Interactive Bubbles
Rafael Losada Liste
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Demo: rational coefficients for a fun…
Michael Borcherds
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26
GeoGebra 3D & AR: Geometry Resources …
Tim Brzezinski
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79
Circles (Theorems)
Tim Brzezinski
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Bouncing ball: Friction and gravity
Juan Carlos Ponce Campuzano
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Drawing a Cat with epicycles
Juan Carlos Ponce Campuzano
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Hypotrochoid: Triangles and Squares
Juan Carlos Ponce Campuzano
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Convex quadrilaterals
Paulo Correia
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A Dozen Rolling Triangles
Steve Phelps
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Four colors theorem
Rafael Losada Liste
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Position, Velocity, and Acceleration …
Tom Walsh
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Sine Identity
Tim Brzezinski
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Inverse functions
Malin Christersson
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Functions Resources
Tim Brzezinski
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8
Exploring Nets of Geometric Solids
GeoGebra Team German
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Exploring Mean and Median
Andrew Knauft
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GeoGebra Pentominoes
Duane Habecker
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Exploring SSA (fixed)
Ted Coe
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Cross Sections of a Cube
Steve Phelps
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Reflections of Functions
David Smith
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43
Conic Sections
Tim Brzezinski
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Four-by-Four NIM
Duane Habecker
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Four Blues and Four Reds
Duane Habecker
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Chinese Match Puzzles 1-8
OntarioMathTeacher
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Inside the torus
Juan Carlos Ponce Campuzano
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6
Geometric Solids: Recognize, Name and…
GeoGebra Team German
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Polar Rose
Markus Hohenwarter
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Proof Without Words
Steve Phelps
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Test yourself: Reflection
Michael Borcherds
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