Students thinking together

Author:Diego Lieban

These moments were registered during a national event promoted by OBMEP (Brazilian Mathematics Olympiad of Public Schools) for enthusiastic students.

source: DC

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Rule of Sarrus - Determinant of a 3×3 Matrix
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Domain of f(x,y)

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Wilcox.GeoGebra Checklist
Sinus der Dritte
Unit #2 Graph Question #6b
Rectangle Template (Scaffolded Investigation)
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Central limit Theorem

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Perimeter
Orthocenter
Coordinates
Division
Triangles