Common Core Essential Elements Mathematics

Assessment literacy. 
The knowledge of the basic principles of sound assessment practice including terminology, development, 
administration, analysis, and standards of quality. 
Assistance 
(vs. support). The degree to which the teacher provides aid to the student’s performance that provides direct assistance 
in the content or skill being demonstrated by the student.  That is, the assistance involves the teacher performing the cognitive work 
required.  Assistance results in an invalidation of the item or score.  (See also “support.”)