Here is an example of a systems of equations (my unit 3) problem:
Unit 3 Problem
Solutions must be neat, printed in pencil, all work shown, and all variables defined!
Shonda is organizing the printing of tickets for a show her friends are producing. She has collected prices from several printers and these two seem to be the best.
| |
Ticket printing
25 tickets for $2
BEST PRINT
Tickets printed
$10 setting up
plus
$1 for 25 tickets
Shonda wants to go for the best buy. She doesn’t yet know how many people are going to come. Show Shonda a couple of ways in which she could make the right decision, whatever the number of tickets. Illustrate your advice with a couple of examples.
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The student solutions were varied and I was impressed. Some students will not turn in anything. They cannot get past the thinking that there is only one way to work a problem (which is NOT true!). Since they don't know how to start, they won't. So, I copied an A+, B-, and C paper (without student names), then projected them up and discussed the different methods, and that they only needed to get started to earn the C. I hope it opened their eyes. I hope more will try the next problem.
This problem is from the Mathematics Assessment Project (MAP) website:
http://map.mathshell.org/materials/index.php
Here are some quadratic equations problems on The Futures Channel website:
http://www.thefutureschannel.com/algebra/quadratic_equations_functions.php
There are several sites that have problems you may use. I hope to incorporate more "real" open ended problems as in-class team projects.
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