Prime Factorization and Order of Operations

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

What number is never allowed in a factor tree? 

• 13 (it's bad luck!)
• 1 
• 8675309
• 2

Tags

CCSS.6.EE.A.1

What are the prime factors of 30? 

• 3, 2, 5 
• 1, 2, 3, 5, 6, 15, 30
• 3, 30
• 10, 3

Which is the prime factorization of 12? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2 x 2 x 3
• 1 x 2 x 2 x 3

Use a number tree to find the prime factorization of 72

• 2x2x2x3x3
• 4x3x3x2
• 4x2x2x2x2

Use a number tree to find the prime factorization of 105

• 7x5x3
• 11x5x3
• 7x5x2x1
• 7x5x3x2

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction
• Division
• Multiplication
• Addition 

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Evaluate the equation:
(10+5) -6

• 9
• 10
• 11
• 12

Tags

CCSS.5.OA.A.1

Evaluate the equation:
7 ÷ 1 - 6

• 1
• 5
• 6
• 7

Tags

CCSS.6.NS.B.2

24 x (4-2) ÷ 6

• 8

• 2

• 6

• 5