Order of Operations

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

What would be my first step in solving this problem?
3 + 4 x 6 - 4

• addition
• multiplication
• subtraction
• exponents

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

PEMDAS only works if....

• You add then subtract
• You subtract then add
• add or subtract right to left
• add or subtract left to right

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the order of the steps for the following expression?
50- 16 x 2 ÷  (12-4)

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

Tags

CCSS.7.NS.A.3

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

Tags

CCSS.7.NS.A.3

In PEMDAS, what does the M stand for?

• Masterful
• Mad
• Math
• Multiplication

Tags

CCSS.7.EE.B.3

True or false:
Addition ALWAYS comes before subtraction.

• True
• False

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

4 + 2 x 7

• 42
• 14
• 18
• 56

Tags

CCSS.7.NS.A.3

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

Tags

CCSS.6.EE.A.1