Lesson Check 2.3 Math 7th: Order of Operations

When multiplying or dividing integers with different signs your result will be ______________.

• Positive
• Negative
• Depends which number is bigger.

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

What does 6³ mean?

• 6 · 6 · 6
• 6 · 3
• 3 · 3 · 3 · 3 · 3 · 3

Tags

CCSS.6.EE.A.1

Which operation should be done second?
(4 - 2)³ · 9 + 7 =

• exponents
• subtraction
• addition
• multiplication

Tags

CCSS.6.EE.A.1

Which operation should be done last?
(12 + 10) ÷ 10 · 14 - 6

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

 Which operation should be done second?
2 ÷ (15 - 3) · 5

• Addition
• Subtraction
• Multiplication
• Division

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What are the steps to solve the following expression?
50 − 16 ÷ 2 · (12 + 4)

• parentheses 
  multiplication
  subtraction
  division
• parentheses
  multiplication
  division
  subtraction
• parentheses
  division
  multiplication
  subtraction
• parentheses
  subtraction
  multiplication
  division

Tags

CCSS.6.EE.A.3

CCSS.6.NS.B.2

CCSS.6.NS.B.3

Solve:
120 - 5 · 2 + 18 ÷ 2 =

• 119
• 124
• 64

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

Solve:

• 14
• 4.96
• 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the first step in solving this problem:
-12 ÷ 6 (-3) + 8

• multiplication
• addition
• division
• subtraction

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

Tags

CCSS.7.NS.A.1D