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Number Sense

VI. Class 6

A. Introduction of Graphing Calculator program

B. Class works through an algebra investigation together that uses the graphing program technology and graphing calculators

C. Divisibility Rules, Greatest Common Factor (GCF), and Least Common Multiple (LCM):

Participants should discuss topics involving:

Divisibility rules for 2, 3, 4, 5, 8, 9, 10 and developing divisibility rules for 6, 7, 11, 13, 16, 25, 32

The Fundamental Theorem of Arithmetic as it applies to GCF and LCM

Various methods for finding GCF and LCM

The relationship between GCF and LCM

Participants explore some of the following Investigations focused on divisibility rules, greatest common factor, and least common multiple

Divisibility Rules

Greatest Common Factor (GCF), Least Common Multiple (LCM)

D. Participants add write-ups to their online portfolios

Additional Resources for Week 6

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

Return to the Number Concept Syllabus