Bean Counting
by Dan Meyer
skips
questions
Act One
 1.
What's a guess you know is too low?
 2.
What's a guess you know is too high?
 3.
How do you KNOW that guess is too high?
Act Three
 VideoAnswer
 Teacher materialStudent work
Sequel
 VideoDan & Chris & Annie together
 4.
How long would it take Annie to fill the cup by herself?
 VideoAnswer
show 74 more questions

Will Dan slow Chris down? By how many minutes? And is the measurement unit of minutes correct?


What the heck is taking so long to fill up the glasses (are they already spheres?) and what has caused the difference in times?


What does this tell us about left vs. right handedness? Also, thank goodness for earphones.







How long will it take Dan and Chris working together to count the beans?



How long will it take them to do it together, assuming they don't mess each other up?




How long does it take Dan and Chris, working together, to fill the cup?

How long does it take you working together? (also... are those cookie crisps?)





How long will it take them to do it together? (We're getting ready to start this at my school next week. I may steal this video...)


How long will it take the two guys combined?(AND ... why was the first one soooo much slower? What are they listening to?)






















How long will it take Chris and Dan to fill the glass if they worked together at their own pace?

HOw many almonds fit in the cup? Who does it in more minutes? Could they do it together and take less time?


If Chris fills the cup and Dan takes them out of the cup (putting them back in the dish) How long will it take to fill the cup?


Does listening to different music alter the speed of filling the cup? If they listen to the same music, will they put the same # in now?



The join time will be more or less than the arithmetic mean of the separate times?




How many beans can the bean counters count, when the bean counters did count beans?





How long will it take them to fill the glass? and what are they listening to?

How long does it take each person to put one coco puff in the cup? How long will it take if they work together?







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