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INTRODUCTION TO RATIONAL NUMBERS

This unit covers many facets of foundation topics that will be useful when working with rational numbers.  Prime factors of a number are used to determine the Greatest Common Factor (GCF) and the Least Common Multiple (LCM).  Finding equivalent fractions, simplifying fractions, and examining mixed numbers are basic concepts that are used in preparation for comparing and calculating with fractions.

 
 
  Introduction (02:09)
  Tree Diagrams and Prime Factorization (04:29)
Practice Worksheet: Prime and Composite Numbers
Answer Key (Password Protected)
Practice Worksheet: Prime Factorization
Answer Key (Password Protected)
 
  The Greatest Common Factor (04:13)
Practice Worksheet: List Factors
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Practice Worksheet: GCF
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  The Lease Common Multiple (05:19)
Practice Worksheet: LCM
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Practice Worksheet: Equivalent Fractions
Answer Key (Password Protected)
Practice Worksheet: Reduce Fractions
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Practice Worksheet: Compare Fractions
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Practice Worksheet: Ordering Fractions
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Practice Worksheet: Change Improper Fractions to Mixed Numbers
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Practice Worksheet: Change Mixed Numbers to Improper Fractions
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