Education Technology

Properties of Parallelograms

Subject Area
Math: Geometry: Quadrilaterals
Level
9-12
Activity Time
40 Minutes
TI Calculator
TI-Nspire™ CX series
TI-Nspire Version
2.0
Other Materials
Activity by Chris Bergersen, Peter Crisci, and Brittany Zweibel
Resource Types
Lessons
Format
TNS

Properties of Parallelograms

Activity Overview

In this activity, students will discover the properties of a parallelogram. Students will measure various components of a parallelogram to make conjectures about its properties.

Before the Activity

Download the TNS file and make it available to students.

  • Students need to be familiar with the following terms: alternate interior angles, bisect, opposite angles, opposite sides, parallel lines, and slope.
  • This activity can be used as an introduction to the properties of a parallelogram or as a refresher for proofs involving parallelograms.
  • During the Activity

  • This activity is teacher-led.
  • Emphasize the importance of students not working ahead. Otherwise, it may be difficult to troubleshoot their errors.
  • It is sometimes helpful for students to work with a partner.
  • Subject Area
    Math: Geometry: Quadrilaterals
    Level
    9-12
    Activity Time
    40 Minutes
    TI Calculator
    TI-Nspire™ CX series
    TI-Nspire Version
    2.0
    Other Materials
    Activity by Chris Bergersen, Peter Crisci, and Brittany Zweibel
    Resource Types
    Lessons
    Format
    TNS
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