Review of Order of Operations

4 + 2 x 7

• 42
• 14
• 18
• 56

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

20 - 5 x 2

• 30
• 10
• 50

(82 ÷ 2) × 3 – 17

• 206
• 100
• 106
• 5

(7 + 41) ÷ 2 – 15

• 19
• 9
• 25
• 3

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

What step would I do second ? (4-2) x 9 + 7 =

• multiplication
• subtraction
• addition
• dividing

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

In a problem containing addition and subtraction, which operation comes first?

• Addition
• Subtraction
• Depends

What operation comes first and WHY?
(8x7-6)÷30

• Multiplication, because it is inside the parenthesis
• Multiplication, because you read left to right
• Division, because it comes first alphabetically
• Subtraction, because it's easy and gives the answer 1