Activity Detail
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Activity Overview

Students learn to calculate volume of a sphere and a rectangular prism. They explore methods of determining how many volleyballs can be placed in a room.

Before the Activity

  • Review the formulas for computing attributes of circles, spheres, and rectangular prisms
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 109 - 110 from the attached Student PDF file for the class

    		•

    		During the Activity

    		Distribute the pages to the class.

    Follow the activity procedures:
  • Measure the length, width, and height of the room
  • Compute the volume of the room
  • Use the formula to calculate the volume of the volleyball
  • Divide the volume of the room by the volume of the ball
  • Determine the number of volleyballs the room can accommodate
  • Find the total cost incurred in filling the room with balls, given the price of one ball
  • Discuss other methods that can be used to solve the problem and which method will give an under-estimate and which method will give an over-estimate

    		After the Activity

    		Students complete the Student Activity pages.
  • 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 : Geometry : Surface Area and Volume

    Author:
    Texas Instruments

    Level:
    5-8

    Activity Time:
    60 Minutes

    Device:
    TI-30Xa, TI-30X IIB, TI-30X IIS, TI-34 II Explorer Plus™

    Apps:
     

    Software:
     

    Accessories:
     

    Other:
    This is Activity 14 from the EXPLORATIONS Book:
    Investigating Mathematics with Calculators in the Middle Grades
    The following materials are required for this activity:

  • Volleyballs
  • Tape measures


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