Order of Operations 2

2 + (9² - 4)

• 16
• 77
• 79

(10 + 2) ×10-3

• 145
• 27
• 117
• 53

90 - 5² × 3

• 15
• 240
• 195

What would be my first step to simplify?
3 + 4 x 6 - 4 

• addition
• multiplication
• subtraction
• exponents

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

2x + 5(y - 1) when x=8 and y=5

• 20
• 31
• 36
• -4

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

3x + 8   if x = 2

• 13
• 14
• 15
• 16

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

• Subtraction
• Division
• Multiplication
• Addition 

Evaluate the equation:
(10+5) -6

• 9
• 10
• 11
• 12