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.
GCF and LCM
Work in table groups to complete the task provided.
Discuss your method and apply a similar method to all 4 prizes. Good luck!
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:
Find the GCF using the method prescribed:
Create a new addition problem by factoring out the GCF.