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Number Sense

IX. 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 write-ups to their online portfolios


Additional Resources for Week 9

    • Dictionary Entries related to order relationships, roots, and induction.  

  • Number Base

    • External Links

  • Listed above

 

Return to the Number Concept Syllabus