Review of chapter 4 (6th Grade Math)

Which set of numbers show all the factors for 15?

• 7, 8
• 1, 15
• 1, 3, 5, 15
• 3, 5, 15

Tags

CCSS.4.OA.B.4

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

Factor of 40

• 1,2,4,5,8,12,14,40
• 1,2,3,4,5,8,10
• 1,2,4,5,8,10,20,40
• 1,2,4,5,6,7,8,9,10

Tags

CCSS.4.OA.B.4

What is the prime factorization of 16? 

• 1 x 16
• 2 x 2 x 4
• 2 x 2 x 2 x 2
• 8 + 8

Tags

CCSS.4.OA.B.4

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2x2x3
• 3x2x2x2x2
• 12x4

Use a number tree to find the prime factorization of 72

• 2x2x2x3x3
• 4x3x3x2
• 4x2x2x2x2

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 24 and 48

• 4
• 12
• 24
• 48

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 30 and 36

• 2
• 3
• 6
• 18

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 32 and 48

• 2
• 8
• 16
• 18

Tags

CCSS.4.OA.B.4