Quiz #9

Use a number tree to find the prime factorization of 32

• 2x2x2x4
• 2x2x2x2x2
• 4x4x2
• 2x2x2x2x1

Tags

CCSS.6.EE.A.1

Use a number tree to find the prime factorization of 42

• 4x4x3
• 6x7
• 7x3x2
• 5x4x2

What is the expanded notation of 3³ x 5 x 7²?

• 3 x 3 x 3 x 5 x 7
• 9 x 5 x 14
• 3 x 3 x 5 x 5 x 7 x 7
• 3 x 3 x 3 x 5 x 7 x 7

Tags

CCSS.6.EE.A.1

I am a prime number between 30 and 40.  Which number could I be?

• 31
• 33
• 36
• 39

Tags

CCSS.4.OA.B.4

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12

Tags

CCSS.4.OA.B.4

GCF of 28 and 40

• 2
• 4
• 7
• 8

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 3 and 20?

• 60
• 40
• 20
• 3

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

Tags

CCSS.6.NS.B.4