Curated OER
Indirectly Direct
Students use prior knowledge of angle and lines as they conduct an experiment with a rolling marble to determine the shape of a mystery object located under a metal pie tin.
Curated OER
Geometry/Math A Regents Questions: Angle Bisectors
In this angle bisector worksheet, students solve five short answer and multiple choice problems. Students construct angle bisectors using a compass.
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Inscribing a Circle in a Triangle
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
Curated OER
Investigating a Point on an ANgles Bisector
Pupils investigate points and angle bisectors. In this geometry lesson plan, students define angles, bisectors and perpendicular bisectors. They analyze angles and bisectors using Cabri software.
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Special Segments is a Triangle
In this geometry activity, 10th graders examine the special segments that occur in a triangle. The three page activity contains twenty-five problems. Answers are not included.