Order of Operations Grouping Symbols

Simplify the following:
-2 ⋅ (3 + 8 ÷ 4)²

• -16

• 1.375

• 4

• -50

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

Bridget simplified the numerical expression below. Select the step she should have completed first.
9+4÷[4X(5-4)]

• multiply the difference by 2

• Add 9 and 4

• Multiply 4 and 5

• Subtract 4 from 5

9 + [9 x (2 + 4) ÷ 3] - 2

• 9

• 34

• 19

• 25

Evaluate the expression.

49 − 2 x ( 6 + 3 )

• 33

• 31

• 30

• 29

What operation should be performed first in simplifying the expression below?
5÷(8−2)+6×4

• addition

• division

• multiplication

• subtraction

What is the first step in evaluating this expression?
2 x (5 + 3 x 2 + 4)

• 5 + 3 x 2 + 4

• 3 x 2

• 5 + 3

• 2 x 5

When evaluating this expression, what would be the first expression you would write when solving for step 1?

2 x (5 + 3 x 2 + 4)

• 2 x (8 x 2 +4)

• 2 x (5 + 3 x 6)

• 2 x (5 + 6 + 4)

In what step was an error made when solving the numerical expression?

• STEP 1

• STEP 2

• STEP 3