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6-8 year olds 1.3 order and compare rational numbers 1.5 number theory concepts (e.g., primes, composites, factors, divisibility ,and multiples) in mathematical problem situations
This math unit on number theory has it all: Definitions Divisibility Rules Prime or Composite Factors Prime Factorization Greatest Common Factor (2 methods!) Least Common Multiple Practice and Enrichment Sheets
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Logo Collection – Number Theory, 1960s/70s / Aqua-Velvet 72 is a great Nine... love it. ^_^ http://aqua-velvet.com/