7th Grade: Unit 1 - Operations with Rational Number Review

What is the additive inverse of 2/5?

• 2/5

• - 2/5

• 5/2

• - 5/2

What is the additive inverse of -3.2?

• +3.2

• -3.2

• +2.3

• -2.3

What number will complete the equation?

-3 + 4 + __ = 0

• +3

• -4

• -7

• -1

Sara had a balance of $350 in her bank account. Her electric bill was $375. After she pays the electric bill, what amount of money should she deposit to bring her bank account back to $0?

• $375

• $350

• $25

• $50

A scuba diver reached a depth of -14 feet (below sea level). The diver descended another -12 feet. How many feet will the diver have to travel to return to sea level?

• + 26 ft.

• - 26 ft.

• + 14 ft.

• + 2 ft

Which expression best represents the number line?

• (-4) + (+3)

• (-4) - (+3)

• (-4) - (+7)

• (-4) + (+7)

Which expression best represents the number line?

• -6 + (-4)

• -6 - (-4)

• -6 + (-10)

• -4 + (-6)

Which number line shows the additive inverse property?

• 
• 
• 
• 

On Tuesday morning, the temperature was recorded at 5 °C. Over the course of the day, the temperature dropped 7°. After this drop, what temperature will be recorded?

• 12°C

• 2°C

• -2°C

• -12°C

Which expression is equivalent to -21?

• 9 - (-12)

• 9 + (-12)

• -9 + 12

• -9 - 12