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GREATEST COMMON FACTOR. PRESENTED BY :. OSCAR EDUARDO MEJIA KRISTHIAN HERNANDEZ ESCUELA PANAMERICANA FEBRUARY/15/2011. VOCABULARY. Greatest Common Factor (GFC): Is the greatest of the common factors of two or more numbers .
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PRESENTED BY : • OSCAR EDUARDO MEJIA • KRISTHIAN HERNANDEZ ESCUELA PANAMERICANA FEBRUARY/15/2011
VOCABULARY • GreatestCommon Factor (GFC): Isthegreatest of thecommonfactors of twoor more numbers. • VennDiagram: It uses circlesto show howelementsamong set of numbersorobjects are related. Theregionwherecirclesoverlaprepresentsitemsthat are commontotwoor more sets.
EXCERCISES • 12 and 78 • 40 and 50 • 24 and 48
WORD PROBLEM • Charles and Tiffanybothfoundthe GCF of 12, 18 and 27. Whoiscorrect? Explain • Charles: • 12= 2*2*3 • 18= 2*3*3 • 27= 3*3*3 • Therefore, the GCF: 2*3*3=18
WORD PROBLEM • Tiffany: • 12= 2*2*3 • 18= 2*3*3 • 27= 3*3*3 • Therefore, the GCF: 3
WORD PROBLEM • Thecorrect GCF is3 becauseisthecommonnumberamongthe 3 sets of numbersgiven(12, 18 and 27). • Ontheotherhand, the GCF givenby Charles isincorrectbecausethe 2*3*3=18 isnot a common factor for 12 and 27.