act one

  • 1. If you wanted to topple over a domino the size of a skyscraper, how many dominoes would you need?
  • 2. Guess as close as you can. Write your guess down.
  • 3. Give an answer you think is too high.
  • 4. Give an answer you think is too low.

act two

  • 5. What information would help solve this problem?

act three


  • 6. The distance between each domino also grows by a factor of 1.5. How much space would you need in order to knock down the skyscraper domino? A city block? An airport runway? The entire United States?
  • 7. How heavy is the smallest domino?