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Geometry: Quadrilaterals and Polygons Classroom ActivitiesDownload
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Creating a Midpoint Quad

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Explore special outer and inner quadrilaterals formed by the connected midpoints and investigate the area relationships.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Creating a Parallelogram

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Explore the differences of constructed verses drawn parallelograms by dragging vertices and investigate properties.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Exploring Diagonals of Quadrilaterals

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Investigate characteristics of diagonals of various quadrilaterals.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Interior Angles of Regular Polygons

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Explore the interior angles of regular polygons by dividing the polygons into triangles.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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Properties of Special Quadrilaterals

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Explore properties of some special quadrilaterals using segments to build quadrilaterals and explore their angles.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Rhombi, Kites, and Trapezoids

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Students discover properties of the diagonals of rhombi and kites, and the properties of angles in rhombi, kites, and trapezoids.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Sum of Exterior Angles of Polygons

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Investigate interior angles of polygons and the sum of their measures.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Slices

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This lesson involves exploring the shapes formed from 3D figures cut by a horizontal and/or a vertical plane. • Compatible TI Technologies: TI-Nspire™ CX Handhelds, TI-Nspire™ Apps for iPad®, TI-Nspire™ Software
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
Download2,483