Number Concept Syllabus
 Class 9
A. Alternative Algorithms, Other Bases, and Modular Arithmetic
Participants should discuss topics that involve:
 Exploring alternative algorithms
 Performing the four operations in different number bases (2, 5, 12)
 Exploring Diophantine Equations and residue systems in modular arithmetic
Participants explore some of the following investigations focused on alternative algorithms, other bases, and modular arithmetic:

Alternative Algorithms

Exploration of Other Bases

Modular Arithmetic
B. Discuss and brainstorm ideas about modifying InterMath experience for a middle school mathematics classroom
C. Participants add writeups to their online portfolios
Additional Resources for Week 9

Dictionary Entries related to order relationships, roots, and induction.
 External Links
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