Principles and Standards for School Mathematics
Number and Operations Standard
Understand meanings of operations and how they relate to one another
Expectations (9 - 12)
develop an understanding of permutations and combinations as counting techniques.
Understand patterns, relations, and functions
Expectations (6 - 8)
represent, analyze, and generalize a variety of patterns with tables, graphs, words, and, when possible, symbolic rules;
Expectations (9 - 12)
generalize patterns using explicitly defined and recursively defined functions;