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Randy Roth
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Semi-retired teacher now working as an Ed. Tech.
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61
Circles, angles and chords
Arthur Lee
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Extrema and Intercepts of Quadratic F…
GeoGebra Content Team
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Self Assessment : Graphs of Quadratic…
Lew W. S.
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Graphs of Sine, Cosine and Tangent
L. Marizza A. Bailey
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Angle Formed by Chord & Tangent (I)
Tim Brzezinski
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Properties of Tangents Drawn to Circl…
Tim Brzezinski
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Proving Vertical Angles Theorem
Philip K
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Solving Quadratic Functions using the…
Staci Applegarth
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Linear motion (Calculus)
talljerome
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L6.1 Polygon Interior Angle Sum
Karen Rowe
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Circle Terminology
Tim Brzezinski
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Two-column proof (Corresponding Angles)
Jenny Secor
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Equivalent Ratios
Duane Habecker
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Poorly Drawn Quadrilaterals
Steve Phelps
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Convex quadrilaterals
Paulo Correia
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Gauss-Jordan 2x2 Elimination
Auston B Cron
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Angle Estimation Warmup
Andrew Knauft
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Number Pyramids
Jennifer Silverman
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Graph the Line
Steve Phelps
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Flip Flop
John Golden
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Guess My Rule (2013)
John Golden
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5-Piece Puzzle
Duane Habecker
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GeoGebra Pentominoes
Duane Habecker
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right triangle paradox
sonom
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SSA triangle: The Ambiguous Case
talljerome
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Least Squares
timteachesmath
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AQR Section 17: Where's the Mean?
Steve Phelps
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Secant Slope Calculator
Jake Binnema
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Exponential or Logistic Function that…
talljerome
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Growth of Facebook.com
Roy Wright
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Lower and Upper Sum of a Function
GeoGebra Materials Team
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One-Son Policy Simulation
Steve Phelps
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Analog Clock
Duane Habecker
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Pendulum Wave Machine (Simulation)
Michael Borcherds
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05.1 Measures of Central Tendency
sonom
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Hilbert curve
Thijs
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Moss Egg by Robert Dixon
Bill Lombard
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Factorization - Visual illustration o…
Ethan Hall
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Kaleidoscope
Michael Borcherds
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Rotating a Triangle Around a Coordina…
Steve Phelps
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Area of a Circle - Wedge/Sector Demon…
Linda Fahlberg-Stojanovska
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Triangle Paradox (Missing square puzzle)
Michael Borcherds
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