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Concept Development Units

NSA sponsors local area teacher workshops designed to encourage the learning of mathematics, the adoption of advanced teaching techniques, and the use of technology in the classroom. Teachers who participate in the Summer Institutes for Mathematics Teachers (SIMT) and the Summer Institutes for Elementary School Teachers (SIEST) write concept development units (lesson plans) for classroom use which are designed in accordance with the National Council of Teachers of Mathematics (NCTM) Standards. These units are offered here as a teaching resource for mathematics teachers everywhere.

Although NSA did not author these concept development units, they have a royalty-free, non-exclusive, and irrevocable license to reproduce, publish, or otherwise use the work for Federal purposes, and to authorize others to do so. NSA publishes this material as a service to the education community. The teachers listed in the "Authors" section at the end of each unit are primarily responsible for the contents of the unit. Some of the units are composed of entirely original material; others include adaptations of ideas from other published works.

We encourage the use and distribution of these concept development units. We also encourage feedback; if you have comments or questions, please write the authors or write NSA at the address below.

National Security Agency
ATTN: MEPP, Suite 6637
9800 Savage Rd.
Ft. Meade, MD 20755-6637

The reference lists of published materials provided within the units are for educational purposes and are not all-inclusive. These lists were provided by the unit authors and should not be construed as an endorsement by the National Security Agency of any particular publication listed.


Date Posted: Jan 15, 2009 | Last Modified: Sept 10, 2009 | Last Reviewed: Sept 10, 2009