- HTML5 collection from Primary ContestCustom ToolsSimple TangramTriangle AreaTriangle AreaEqual AreaEqual AreaOverlapping ParallelogramsOverlapping ParallelogramsTriangle AreaPerpendicular SegmentsArea of TriangleArea of TriangleTriangle AreaBisect TriangleHinging TrianglesLength of ArcsLength of ArcsSymmetric TrapeziumSymmetric TrapeziumBearingBearingPyramid NetPrism NetNet of CuboidClock FaceClock Face
HTML5 collection from Primary Contest
Selected items from previous primary math contests.
For a student version, click> http://www.geogebratube.org/student/c7281/m65822/ylyy .
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