An active clearance is one in which the candidate is presently eligible for access to classified information. A current clearance is one in which a candidate has been determined eligible for access to classified information but is not currently eligible without a reinstatement.
The NCTM Standards evolved over several years, beginning with the 1980 report An Agenda for Action (NCTM, 1980), an important precursor to the NCTM Standards documents. A set of events and circumstances took place in the 1980s that spurred the need for standards and for national direction in mathematics education.
Grades: 9th to 12th, High School. Principles and Standards for School Mathematics (Book and E-Standards CD). This important tool for teachers and education professionals updates the messages of NCTM's previous Standards and shows how students' learning should grow across four grade bands..