The following protocols are recommended for the grade level given. You know your own students' abilities, so the ultimate decision about the level at which they collect data will be up to you, the teacher. Where applicable, all measurements are in metric units.

                                 
 
          Recommended Primary Category:         Recommended Intermediate Category:
 

                         Recommended Middle School/ Junior High Category:

 
                                       Recommended High School Category:
 
 
 

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