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6th-8th Grade Performance Task
Contributed by: The RAND Institute (RAND)
1993-94
In this task, two-way classification
is explained using pictures of people who differ
in terms of age (old and young), position (sitting
or standing), gender (male or female), and type
of clothing (summer or winter). In the materials
classification section, students are given a collection
of natural materials (e.g. sand, fur, rock, and
pine cone) and are asked to create a two-way classification
system. Then they are given a new material, a
pencil, and asked where it fits in their system
and why.
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