Education Technology

Constant Weight Gain

Published on 06/09/2008

Activity Overview

Students find information in different types of graphs, organize information to construct graphs, and make predictions based on graphs. They also learn to use the calculator to perform constant operations of addition and subtraction.

Before the Activity

  • See the attached PDF file for detailed instructions for this activity
  • Print pages 167- 180 from the attached PDF file for your class
  • During the Activity

    Distribute the page to the class.

    Follow the activity procedures:
    Activity A:

  • Discuss the characteristics of a zoo and read the book: Tiger Math, Learning to Graph from a Baby Tiger to the class
  • Answer questions based on the information in the picture graph


  • Activity B:
  • Use the calculator to find the weight gained by a tiger cub during different time periods after birth
  • Answer questions about information shown in different graphs in the book


  • Activity C:
  • Use the calculator to perform a constant operation of adding 2 starting at 3
  • Determine the number of weeks in a year and the weight at the end of the year if the cub gained 2 pounds for each 2 week period


  • Activity D:
  • Use the calculator to perform a constant operation of adding 4 starting at 3
  • Determine the weight at the end of the year if the cub gained 4 pounds for each 2 week period


  • Activity E:
  • Use the calculator to perform a constant operation of subtracting
  • Determine how many pounds the tiger would have to gain each week to weigh 200 pounds on his first birthday
  • After the Activity

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