DCA #2 - Integers Review

Which answer represents an elevation of 70 feet below sea level?

• -70 ft

• 70 ft

• -0.70 ft

• 0 ft

A scuba diver decends 7 feet per minute, what integer represents the depth in a half an hour?

• 210 ft

• -210 ft

• -4.5 ft

• -420 ft

Identify point C on the number line.

• -3.5

• -2.5

• 0.5

• 1.25

What multiplication problem is being modeled on the number line?

• 3 x (-3)

• (-4) x (-4)

• 3 x (-4)

• (-3) x (-4)

What addition of integers problem does this model represent?

(Red = Negative / Yellow = Positive)

• 4 +-7

• -4 - (-7)

• 4 + 7

• -4 + 7

What numbers have an absolute value of 5?

i. -5

ii. 0

iii. 15

iv. 5

• i only

• i & ii

• i & iv

• All of them

What diagram best represnts how rational numbers and integers are related?

• A

• B

If the temperature is -10 degrees and drops another 5 degrees, what is the new temperature?

• 15 degrees

• -15 degrees

• 5 degrees

• -5 degrees

Which of the following simplifies to -2?

• -4 divided by -2

• -1 + 1

• 2 x -1

• 3 - (-1)

Solve: -3 + 10 - 2+ 5 - (-2) =

• 14

• 12

• -12

• 8