Order of Operations, Algebraic Expressions

Numbers, symbols, and operations that are grouped together

• Evaluation

• Algebraic Expression

• PEMDAS

• Order of Operations

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

• 33

• 36

• 30

• 59

Evaluate the following:
(4 + 6)² - 12

• 40

• 28

• 8

• 88

Evaluate the following:

27 ÷ (12 - 9) + 4

• 4

• 13

• 2.7

• 2

Evaluate the following:
20 - 8 × 2 - 2

• 22

• 6

• 2

• 20

Evaluate the following:
15 × (20 - 18) - 2³

• 22

• 0

• 24

• 274

Evaluate the following:
28 ÷ 7 × 2 + 11

• 13

• 52

• 19

• 1.12

Write an algebraic expression to show the amount of candy each friend will receive:
 Sandra wants to split her 400 pieces of candy among n friends.

• 400n

• 400 + n

• 400 ÷ n

• n ÷ 400

Write an algebraic expression to show how much money Jake will have remaining after his purchase:
Jake gets an allowance of $15, but spends d dollars on shoes.

• d + 15

• d - 15

• 15 - d

• 15d

Write an algebraic expression to show the total amount of money Carlos makes:
Carlos earns $7 for selling b boxes of cookies.

• 7b

• 7 + b

• 7 - b

• b ÷ 7