1. Bell Ringer Find the GCF: 189x 2 y 3 and 231x 4 y 2

2. Algebra 1 Lesson Essential Question: How do you find the GCF and LCM for sets of monomials?

3. Check Homework

4. Vocabulary Multiple – a product of that number * Think of counting by the number Example: List the multiples of 5

5. Vocabulary Least Common Multiple – a whole number that is the same product of 2 or more numbers Example: Find the LCM of 6 and 8

6. Find the LCM: Educreation 1.)12x, 36y 2.)24xy 3, 40x 3 y 3.)14xy, 21y 2, 28y

7. Hint: Use the highest exponent

8. Think – Pair – Share #1: Explain the definition of a multiple. #2: Explain the definition of LCM. #1: Explain how to find the LCM of coefficients. #2: Explain how to find the LCM of variables.

9. Team Mastery Worksheet

10. Stations:

11. Quick Check Find the GCF and LCM

12. Groups STUDY ISLAND: GCF and LCM of monomials Start on homework

13. Homework How do you find the GCF and LCM for sets of monomials? Worksheet

14. Summary: Journal Compare and contrast how to find the GCF and LCM of monomials. Explain the similarities and differences. Include the steps for solving each type of problem