Order of Operations and Expressions

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

• Addition

• Multiplication

• Subtraction

• Division

Which operation would you do first?

• Division

• Multiplication

• Addition

• Subtraction

What does the "E" stand for in PEMDAS?

• Equation

• Expression

• Exponents

• Elephant

Identify the variables in the expression
3x +  9

• x

• y

• 9

• 3x

Which expression is equal to 6⁴?

• 10

• 24

• 4⁶

• 6⋅6⋅6⋅6

Write an algebraic expression for:
8 more than a number

• 8 + n

• 8n

• 8 -n

• n-8

Evaluate:
2 + (8 - 4) + 3² * 3

• 36

• 35

• 33

• 24

Evaluate:
7² x (9 - 4) + 10/2 - 1

• 225

• 249

• 441

•   735

Evaluate
y + y + c - 10 + x
if x = 7, y = 10, and c = 8

• 11

• 21

• 25

• 105

What does the (E) in PEMDAS mean?

• experience

• exponents

• examples

• evidence