AGENDA• WARM-UP• LESSON 7 HW CORRECTIONS• LESSON 8 HW QUESTIONS??• LESSON 9• EXIT CARD

WARM-UP

What is the perimeter and area of a 5 - by – 7 cm. rectangle?

LESSON 8 HW QUESTIONS??

OBJECTIVES

• Identify counting numbers as prime or composite

• Use factor trees and division by prime numbers to find the prime factorization of counting numbers

• Understand and apply tests of divisibility

LESSON 9: PRIME NUMBERS

Prime Factorization: Factor trees

Ex: Write the prime factorization of 36

Find the prime factors of 48 by dividing prime numbers

Determine whether the following numbers are prime or composite and state how you know.

a. 5,410,311 b. 3,974,355

• Lesson 9

• Pp. 57 – 59: E – I All. #1 – 13 All.

• CP: #27

• Due Wednesday