Domino Skyscraper
by Dan Meyer
skips
questions
Act One

March 08, 2013
If you wanted to topple over a domino the size of a skyscraper, how many dominoes would you need?
 1.
What's a guess you know is too high?
 2.
What's a guess you know is too low?
Act Two
 3.
What information would help solve this problem?
 ImageThe heights of skyscrapers
 VideoThe number of dominoes
Act Three
 VideoAnswer
Sequel
 4.
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?
 5.
How heavy is the smallest domino?
show 62 more questions



Does the distance the domino is away from the one it's trying to knock down affect the outcome?











I've seen this before...How many more times until the last domino is as tall as the Empire State Bldg?

If I wanted to knock over a domino that was x feet, how many dominoes would I need (generalize)?












What are the distances between the dominos?Why is the biggest one already lying on the floor?













What is the smallest domino that will still allow the dominos to still collapse



















Why didn't he topple it? How does the force of the small push on the smallest domino get magnified enough to knock down the largest domino?



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