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6.NS.4

6.NS.4. GCF and LCM. Warm Up. What is a prime number? Give the first 10 prime numbers. What is a composite number? Give 3 examples. Is 1 a prime or a composite number?. It All Adds Up. Work in table groups to complete the task provided.

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6.NS.4

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  1. 6.NS.4 GCF and LCM

  2. Warm Up • What is a prime number? Give the first 10 prime numbers. • What is a composite number? Give 3 examples. • Is 1 a prime or a composite number?

  3. It All Adds Up Work in table groups to complete the task provided. Discuss your method and apply a similar method to all 4 prizes. Good luck!

  4. GCF Greatest Common Factor: the greatest number that is a common factor of each of two or more numbers Two Methods: List and Prime Factorization Example: Find the GCF of 36 and 48:

  5. GCF Practice Find the GCF using the method prescribed:

  6. Warm Up Create a new addition problem by factoring out the GCF.

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