Order of Operation

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

15 x 19 + 18 ÷ 6 = 

• 250
• 199
• 400
• 288

Tags

CCSS.7.NS.A.3

(9 + 39) ÷ (11 - 5) = 

• 17
• 14
• 9
• 8

Tags

CCSS.6.EE.A.2C

10 + 45 ÷ 9 -(14 ÷ 2)  = 

• 9
• 8

• 53
• 18

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

(14 - 2) x 10 + 6 = 

• 144
• 18
• 150
• 126

Tags

CCSS.7.NS.A.3

(9 + 23) ÷ (5 - 3) = 

• 16
• 32
• 15
• 12

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

5 X 11 X (9-10) = 

• 55
• -55
• 89
• 120

Tags

CCSS.7.EE.B.3

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

• multiplication
• addition
• division
• subtraction

Tags

CCSS.7.NS.A.3

What are the steps to solve the following expression?
50 − 16 ÷ 2

• add, multiply
• subtract, divide
• divide, subtract
• subtract, multiply

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What would be the 2nd step in solving this problem:
-12 ÷ 6 + -3 ∘ 7

• multiplication
• subtraction
• addition
• division

Tags

CCSS.7.NS.A.3