Expressions and Order of Operations

Find and explain the mistake.    
 5 - 3 + 2   = 5-5 = 0

• You did the subtraction wrong
• You did the addition first, but should have done the subtraction first.
• The addition is correct, but the subtraction is wrong.
• There is no mistake.

What is the first step in solving this problem:
-2 ⋅ (3 + 8 ÷ 4)²

• multiplication
• addition
• division
• subtraction

Simplify the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

What is the absolute value of |-26|.

• 26
• -26
• 0
• -20

Order the numbers from least to greatest.
-2, I8I, 5, I-10I, 6

• -2, I8I, 5, I-10I, 6
• -2, 5, 6, I8I, I-10I
• -2, 5, 6, 8, 10
• I-10I, -2, 5, 6. I8I

-9 + (-5)

• -14
• 14
• -4

-8 - (-4) =

• 12
• -12
• 4
• -4

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Emily is a diver. Today she descended to a depth of 40 feet below sea level. Then she swam up 10 feet and descended another 4 feet. How far below sea level is Emily now?

• -34 feet
• -54 feet
• 54 feet
• -26 feet

When you multiply a positive times a negative your answer will be __________.

• positive
• negative
• zero
• purple