Order of Operations Review

GEMDAS only works if....

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

15 x 19 + 18 ÷ 6

• 250
• 199
• 400
• 288

Tags

CCSS.5.NBT.B.5

CCSS.5.NBT.B.6

(10 + 33 - 3) ÷ 8

• 13
• 3
• 5
• 11

Tags

CCSS.7.NS.A.3

(10 + 2) ×10-3

• 145
• 27
• 117
• 53

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

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

2 + (9² - 4)

• 16
• 77
• 79

Tags

CCSS.6.EE.A.1

6 + (4)3

• 18
• 30
• 13
• 42

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

8 - 3 + 7 - 2

• 10
• 0
• -4
• 4

Tags

CCSS.3.NBT.A.2

24×(4-2)÷6

• 8
• 2
• 6
• 5

Tags

CCSS.5.NBT.B.6

CCSS.5.OA.A.1

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

Tags

CCSS.6.EE.A.1