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## PowerPoint Slideshow about ' GREATEST COMMON FACTOR' - cole-cross

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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.

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