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Trip-Lets
Responsible: Humberto José Bortolossi
Keywords: spatial geometry, orthogonal projections, permutations, vocabulary, JavaView.
Level: secondary school.
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A Plethora of Polyhedra
Responsible: Humberto José Bortolossi
Keywords: spatial geometry, polyhedra, Euler's formula, duality, plane sections, nets, truncation, stellation.
Level: secondary school.
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Tomography Game
Responsible: Humberto José Bortolossi
Keywords: spatial geometry, polyhedra, cone, cylinder, sphere, torus, plane sections, conics, level sets, JavaView.
Level: secondary school.
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Orthogonal Projections
Responsible: Humberto José Bortolossi
Palavras-chaves: spatial geometry, orthogonal projectons, space curves, knots, equiprojective polyhedra, JavaView.
Nível: secondary school.
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Triangle Classification Game
Responsible: Humberto José Bortolossi
Keywords: triangle geometry, plane coordinantes, analytic geometry, discrete geometry, GeoGebra.
Level: secondary school.
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Quadrilateral Classification Game
Responsible: Humberto José Bortolossi
Keywords: quadrilateral geometry, plane coordinates, analytic geometry, logic (quantifiers, examples, counterexamples).
Level: secondary school.
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How b depends on a?
Responsibles: Humberto José Bortolossi and Dirce Uesu Pesco
Keywords: real functions, relation between algebra and geometry, the number line, GeoGebra.
Level: secondary school.
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Matrices and Digital Images
Responsibles: Humberto José Bortolossi and Dirce Uesu Pesco
Keywords: matrices, operations with indices, simmetries.
Level: secondary school.
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