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
    Weird wing prices
    Clicking on this image will show it larg...
    Shooting for Three
    The NBA court has a 3-point line ...
    Shrinking Toblerone
      New York Times photo - Credit Darren Sta...
    Happy National D🍩nut Day!
     We have 2 activities to support th...
    Let's learn to gerrymander
    In this activity student first try to redistrict o...
    Heating with wood - What's a cord?
    Do you know what a cord of wood looks like? What s...
    S'mores
    August 10 is National ...
    Monarch's are flying south again
    In mid-August and early September, the M...
    Big Air snowboarding
    Starting February 18th a new Olympic sport will be...
    At least the days are getting longer
    What's your guess?  How fast are the ...