WNET Middle School Math Lessons
Sampling and Statistics: Getting Rid of the Trash in Perfectamundo

The Challenge: Using the containers supplied by Raz, the CyberSquad successfully divides the trash into three separate groups. What will they discover?

Keyboard Shortcut Action
Space Pause/Play video playback
Enter Pause/Play video playback
m Mute/Unmute video volume
Up and Down arrows Increase and decrease volume by 10%
Right and Left arrows Seek forward or backward by 5 seconds
0-9 Fast seek to x% of the video.
f Enter or exit fullscreen. (Note: To exit fullscreen in flash press the Esc key.
c Press c to toggle captions on or off

Discussion Questions:

  • What fraction of trash can be reused?
  • What fraction of trash can be recycled?
  • What’s the total fraction the team finds a use for?
  • What fraction is left over? What do you think they could they possibly do with it?