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Level 9 Portfolio
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Level 8 Portfolio
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Course #1
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Ellipse as Envelope
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Level 5 L1
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law of sines proof
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Trig Functions
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Trig Functions
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Equivalent Ratios
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Convex quadrilaterals
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Gauss-Jordan 2x2 Elimination
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Angle Estimation Warmup
Andrew Knauft
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Number Pyramids
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Graph the Line
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Flip Flop
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Guess My Rule (2013)
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5-Piece Puzzle
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SSA triangle: The Ambiguous Case
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Least Squares
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AQR Section 17: Mean but Sensitive
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AQR Section 17: Where's the Mean?
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Secant Slope Calculator
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Growth of Facebook.com
Roy Wright
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One-Son Policy Simulation
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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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'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
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Spirograph-Epitrochoid Earth and Moon
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Inclined Plane with Two Masses and a …
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Factorization - Visual illustration o…
Ethan Hall
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Kaleidoscope
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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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