Site US and Canada

Hot Air Balloon

Published on 09/09/2010

Activity Overview

Using a dynamic manipulative, students will have a visual for adding and subtracting integers.

Key Steps

  • Image

    This model is similar to a hot air balloon and provides a way to visualize adding and subtracting integers.

    The program displays instructions. The right arrow adds a helium bag to the balloon, and the left arrow adds a sand bag.

  • Image

    The horizontal line represents ground level. The balloon’s vertical position is displayed at the bottom of the screen.