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.
NCTM Principles and Standards for School Mathematics, Grades 3-5 Edition (PDF) This Portable Document Format (PDF) file presents the four general chapters from Principles and Standards for School Mathematics, along with the chapter that details the Standards for Grades 3â5, in a downloadable file.