Unit 5 Integer Review

Which expression is represented on the number line?

• -3 ÷ -2

• 0 - (-6)

• -3 ⋅ -2

• 2 (-3)

A fisherman is watching his fish finder on his boat. He noticed a group of fish swimming at 30 feet below the surface of the lake. The fish then took a dip down 8 more feet. They swam back up 12 feet and then down another 3 feet before he caught one on his hook. What was the depth at which the fisherman caught the fish?

• -29

• -53

• -23

• 31

Sammie is playing a guessing game using properties of a mystery number. She gives the following clues:

The opposite of the mystery number is 12.

The absolutely value of the mystery number is 12.

What is the mystery number Sammy is trying to guess?

• -1/12

• -12

• 1/12

• 12

Simplify the expression.

(-8 ⋅ 10) - 18

7

• 14

• 8

• -14

• -8

A bank teller recorded her deposits and withdraws during her shift on a table.

To find the average of the transactions, find the sum of the withdraws and deposits for her entire shift, then divide by the total number of hours in her shift. What was the average

balance for her shift.

• -$6

• $6

• -$6.60

• -$30

Taylor claims she can dive to a depth of -72 inches below the surface of the water in her swimming pool. Her sister Ashley claims she can dive 7 inches below the depth of Taylor. Which of the following expressions represents the depth Ashley can dive in the pool?

• -72 + 7 = -65

• -72 + 7 = -79

• -72 + -7 = -79

• -72 + -7 = -65

Which expression has a value of -30?

• 8 - (-4) + 44 ÷ (-4)

• 2 + (-2) - (-8) - 1

• 8 ⋅ 2 + 14

• -8 ⋅ 2 - 14

In their last game, the Dallas Cowboys had the following plays. What is the sum of all the yards they lost or gained?

• -5

• 17

• -11

• 16

Tori used these number counters to simplify an expression involving negative integers. The left side of the picture shows her counters. The right side shows how she paired her counters. What expression is Tori simplifying?

• -4 ⋅ 2

• -4 ⋅ 1

• -4 ÷ 2

• -4 ÷ -4

What is the value of this expression?

(7) (3) + (-12 ÷ 6)

• 19

• 23

• 71

• -19