# Determine if Numbers Are Prime or Composite (Algorithm)

This video explains how to determine if a given number is prime or composite.

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# Ex 2: Determine the GCF and LCM using Prime Factors and a Venn Diagram

This video explains how to determine the GCF and LCM of two numbers using prime factors and a Venn diagram.

# Sketch a Rectangle With a Given Area (Common Core 3/4 Math Ex 17)

This video explains how to sketch a rectangle with a given area.

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# Determine Prime and Composite Numbers (Common Core 3/4 Math Ex 20)

This video provides example of how to determine if numbers are prime or composite.

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# Ex: Evaluate an Expression with a Fraction, Decimal, and Factorial

This video explains how to evaluate an expression containing a decimal, fraction, and a factorial.

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# Fraction Basics (L1.2)

This video explains how to convert between improper fraction and mixed numbers, find equivalent fractions, and simplify fractions.

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# Division of Whole Numbers using Area (With Remainder)

This video explains how area can be used to model division of whole numbers.

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