Chapter 8 Pretest

Tell whether each number is prime or composite

24

• prime

• composite

Tags

CCSS.4.OA.B.4

Tell whether each number is prime or composite

17

• prime

• composite

Tags

CCSS.4.OA.B.4

What is the prime factorization for 28?

• 2x2x7

• 4x7

• 5x5x2

• 8x3x2

What is the prime factorization for 360?

• 36 x 10

• 2 x 2 x 2 x 3 x 3 x 5

• 2 x 3 x 5

• 5 x 10

greatest common factor of 36, 64?

greatest common factor of 15, 45, 75

greatest common factor of 18, 12, 3

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1