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Number Sense

VI. Class 6

A. 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)

B. Participants add write-ups to their online portfolios


Additional Resources for Week 6

Return to the Number Concept Syllabus