World Record Balloon Dog
by Dan Meyer
19
skips
skips
81
questions
questions
Act One
 1.
What's a number of seconds that's too low?
 2.
What's a number of seconds that's too high?
 Teacher noteA version of this activity exists on Desmos: https://teacher.desmos.com/activitybuilder/custom/58b9f287165d050cb57bc5e3
Act Two
 ImageTime for 25 balloons
 LinkThe previous world record.
 3.
Given this information, how long will it take Twinkie to pop all 100 balloons?
 4.
Will she beat the old world record?
 Teacher noteBefore students finalize their answers, ask them to consider why their mathematical answers may not match the answer in the world. If they're going to adjust their answer, should they adjust it down or up? Once they have their final answer, show them the answer.
Act Three
 VideoAnswer
Sequel
show 81 more questions






















how long will it take him to pop all the balloons and how many balloons are there?
























If it took 7 seconds to pop 25 balloons, how long will it take to pop 100?












How do dogs know that the object of this activity is to do it the fastest?























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