Activity Detail
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Points in the Coordinate Plane
 


Activity Overview

In this activity, students will use the Cabri™ Jr. Application to explore the coordinate system.

Before the Activity

  • Install the Cabri Jr. App on the students' graphing calculators using TI Connect™, a TI Connectivity cable and the unit-to-unit link cables
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 55 - 62 from the attached PDF file for your class

    		•

    		During the Activity

    		Distribute the pages to your class.

    Follow the Activity procedures:
  • Show the coordinate axes, and create a point in the first quadrant
  • Display the coordinates of the point
  • Drag the point to all four quadrants and observe changes in the coordinates
  • Construct lines through the point perpendicular to the axes
  • Hide the perpendiculars and measure the length of the point from the x-axis and the y-axis
  • Drag the point to all four quadrants and observe the changes in the measured distance

    		After the Activity

    		Students will fill in the Data Collection and Analysis sheet.

    Review student results:
  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary

    		Other Downloads




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    Subject Area:
    Math : PreAlgebra : Geometry
    Math : Middle Grades Math : Geometry

    Author:
    Texas Instruments

    Level:
    9-12

    Activity Time:
    90 Minutes

    Device:
    TI-83 Plus Family, TI-84 Plus Family

    Apps:
    Cabri Geometry

    Software:
    TI Connect™

    Accessories:
    TI Connectivity Cable, Unit-to-Unit link cables

    Other:
    This is Activity 5 from the EXPLORATIONS Book:
    Exploring Mathematics with Cabri™ Jr. Application

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