Additive Inverses and Add/Subtract Integers

Which statement best describes a situation in which opposite quantities combine to make 0?

• A hot air balloon used propane to fly 50 feet higher, then used weights to fly 50 feet lower.

• A farmer mowed 5 inches off his grass one week, then it grew 4 inches the next week.

• A child grew 1.5 inches taller one year, then 1.5 inches taller the next year.

• A scuba diver swam to a location 25 feet below sea level, then she swam 8 feet deeper.

-7 - 2

• -9
• 9
• 5
• -5

Stone Mountain, is 1,686 feet above sea level. Lake Lanier’s lowest depth is 160 feet below sea level (-160). What is the difference between these two elevations?

• 1526

• -1526

• 1846

• -1846

-4 - 4 =

• 8

• -8

• 0

• 1

3 + -7

• 10
• 4
• -10
• -4

Tags

CCSS.7.NS.A.1C

-22 + (-24) 

• 46
• -22
• 22
• -46

Tags

CCSS.7.NS.A.1C

-10 + 10

• 20
• 0
• -20
• 1,000,000

Tags

CCSS.3.NBT.A.2

 $3+\left(-5\right)-10$ 

• -12

• 2

• 12

• -8

−3 − (−2)

• -1

• 5

• 1

• -5

A pool gained 10 gallons of water on Friday due to rain. How could the owner of the pool bring the water level back to its previous level?

• Let 10 gallons of water evaporate

• Add 10 gallons of water with a hose

• Increase the amount of water by 10 gallons due to rain

• Fill 10 old milk gallons with water and dump them into the pool