Order of Operations

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

Which operation would you do first?
( 12 + 10) ÷ 10 · 14 - 6

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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

• Subtraction
• Division
• Multiplication
• Addition 

Tags

CCSS.7.NS.A.3

CCSS.7.NS.A.2

What step would I do second ? (4-2) x 9 + 7 =

• multiplication
• subtraction
• addition
• dividing

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

4(8) ÷ (8 − 6)

• -2
• 18
• -1
• 16

Tags

CCSS.7.EE.B.3

[ (8 ÷ 2) x (10 x 5) ] ÷ 5

• 12
• 5
• 40
• 65

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

2 + (9² - 4)

• 16
• 77
• 79
• 88

Tags

CCSS.6.EE.A.2C

90 - 5² x 3

• 15
• 240
• 195

Tags

CCSS.7.NS.A.3

Simplify the following:
-2 ⋅ (3 + 8 ÷ 4)²

• -16
• 1.375
• 4
• -50

Tags

CCSS.5.OA.A.1