Order of Operations and Evaluate Algebraic Expressions

PEMDAS – tells which operation is performed first so that everyone finds the same value for an expression

• algebraic expression

• perfect square

• term

• order of operations

contains at least one variable and at least one operation

• numerical expression

• algebraic expression

• like terms

• equivalent expression

7 + (12-3)²

• 256

• 88

• 10

• 13

Use order of operations to evaluate this algebraic expression.

Use order of operations to evaluate this algebraic expression.

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

• multiplication

• addition

• division

• subtraction

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

• Subtraction

• Division

• Multiplication

• Addition

Evaluate the expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59

Simplify the expression:

5 · 2 - (11 - 7)

• 10

• 4

• 6

• 11

40+(72÷9)÷8

• 49

• 25

• 41

• 15