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Moira Messick's picture

Post in the Forum below a

Post in the Forum below a description or outline of an example of Authentic Assessment (as you understand it from the definitions of Understanding Scale. 

I would first give the students an outline of lesson goals along with the rubric before the assignment.  I would tweak the goal of the lesson to be "to understand the concept of scale."  We would also review terms that they should know (measurement) before setting them loose.  Students would need to show me in a variety of ways.  They could build a model, draw a picture or present it mathematically if they were so inclined.  EXTRA CREDIT would be to show me the how big a molecule is based on the scale they evaluated downstairs.  This would allow for the application of scale.  The would be assessed with a rubric to include the following  aspects:  

Measurement calculations      10  8  6  4  2  1

Content                                  10  8  6  4  2  1

On-Task                                  10  8  6  4  2  1

                                                      _______  /        30pts

 

Extra credit: Show me how many molecules would be in a water drop.

 

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