Order of Operations

Evaluate the following expression: 24 - (7 x 3) + 2

• 1

• 5

• 53

• None of the above

Evaluate the following expression: 15 - 42 ÷ 7 x 2

• 18

• 12

• 3

• None of the above

Ms. Amber evaluated the following expression using order of operations: 10 + 9 x 6 ÷ 2

For an answer she got 37. Did Ms. Amber follow the order of operations correctly?

• Yes, 37 is the correct answer. The order of operations was followed correctly.

• No, the correct answer is 38. It looks like Ms. Amber got her steps confused.

What is the first step to take when evaluating the following expression?

(16 - 5) + 2 x 5

• Multiplication comes first!

• Addition comes first!

• Parentheses come first!

When you have both, multiplication and division left in an expression, the rule is to work from ______ to _______.

What is the next step to evaluating this expression?

(10 + 8) x 3 + 5

Step 1: 18 x 3 + 5

Step 2: ?

• Step 2 should be addition - 3+5 = 8

• Step 2 should be multiplication - 18 x 3 = 54

Solve the following expression: 64 - 8 + 12 x 2 +9

• 89

• 23

• 145

What is the next step to evaluating this expression?

10 - 12 ÷ 4 + 5

Step 1: 10 - 3 + 5

Step 2: ?

• Step 2 is subtraction - (working from left to right) -> 10-3

• Step 2 is addition -> 3+5