How many gumballs are there?

2023-11-20 09:44:48

How many gumballs are there?

Gumball Machine Problem from Brian Marks on Vimeo

This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file with only a picture of the gumball machine to use for estimating.
  • How many gumballs are there?
  • At $0.25 per ball, how much will it cost me to buy them all?
  • How long will buying them all take?


For Adventurer members we have our thoughts on how a student might estimate or calculate this quantity.

Activity Solutions & Supporting Materials
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    Typical Super Bowl scores
    Updated for 2023! In this activi...
    My teacher says this stream is parabolic. Is he correct?
    Instead of asking students to just believe wha...
    Do the best movies make the most money?
    Do the "Best" movies make...
    Layla's antibiotics
      Layla The dosage of Layla's medicat...
    A gorgeous, glittery card
         Uh oh!  How do ...
    Nobel prize in physics 2013
    François Englert and Peter W. Higgs ...
    Water saving toilets
         How much water...
    Shooting for Three
    The NBA court has a 3-point line ...
    Methane math
       Updated!  Carbon dioxide an...
    Monopoly
    In the board game, Monopoly, does a property...