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Marcos Antonio Alves Ferreira
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12
Material Ensino Fundamental
Marcos Antonio Alves Ferreira
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Medida de um ângulo
Marcos Antonio Alves Ferreira
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Atividade Foor
Marcos Antonio Alves Ferreira
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Sem Título
Marcos Antonio Alves Ferreira
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Perímetro e área de retângulo e quadrado
Marcos Antonio Alves Ferreira
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Elementos de los polÍgonos regulares
Marcos Antonio Alves Ferreira
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Semelhança de triângulos
Marcos Antonio Alves Ferreira
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Retas paralelas cortadas por uma tran…
Marcos Antonio Alves Ferreira
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Teorema de Pitágoras
Marcos Antonio Alves Ferreira
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Coordenadas retangulares no R³
William Vieira Gonçalves
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Divida 2 retângulos ao meio e ao mesm…
William Vieira Gonçalves
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58
Proofs Without Words
Steve Phelps
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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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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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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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'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
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Moss Egg by Robert Dixon
Bill Lombard
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Spirograph-Epitrochoid Earth and Moon
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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