Solving Orders of Operations Problems

Evalute:

2³ ÷(5-1)

• 5

• 2

• 1

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

• Subtraction

• Division

• Multiplication

• Addition 

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

Which operation is performed SECOND?
(13 - 1) + 4

• addition +

• subtraction -

• multiplication X

The difference of 24 and 22, times 5

• 24 x 5 - 22

• 24 - 22 x 5

• (24 - 22) x 5

• 24 - (22 x 5)

2(1.5 + 2.5)

• 8

• 5.5

• 6

2 + (9² - 4)

• 16

• 77

• 79

16÷(2x4)-3

• 5

• -1

• 25

• 29

PEMDAS only works if....

• You add then subtract

• You subtract then add

• add or subtract right to left

• add or subtract left to right

Which operation would you do first?
2 · (15 - 2) ÷ 5

• Addition

• Subtraction

• Multiplication

• Division