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Guess the Jellybeans

Task

You are shopping at Woodfield Mall and you notice that Mr. Bulky Candy Store is having a contest. The store will give a lifetime supply of jellybeans to the person who comes closest to guessing the number of jellybeans in the special glass container. Below are two views of the same glass container, one from the top and one from the side.

Estimate the number of jellybeans the container holds. Explain in words how you found your estimate and why the procedure you used is an appropriate solution process.

Show all work!

 

Rubric
4
3
2
1
0
Work shown
all work shown
some work shown
no work shown
Answer
used correct formula, correct answer
used correct formula, mostly correct, simple math errors
wrong formula, not correct answer
Written Explanation:
Solution process
accurate detailed description
accurate brief description
inaccurate detailed description
inaccurate brief description
no explanation
Complete sentences
yes
no
Appropriate procedure
accurate detailed description
accurate brief description
inaccurate detailed description
inaccurate brief description
no explanation
Complete sentences
yes
no

 
 
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Copyright 2008, Jon Mueller. Professor of Psychology, North Central College, Naperville, IL. Comments, questions or suggestions about this website should be sent to the author, Jon Mueller, at jfmueller@noctrl.edu.