Adding and subtracting integers

The temperature dropped 2 °F every hour for 6 hours. 

Which of the following BEST describes the total change in temperature over the 6 hours?

• -12 degrees

• -3 degrees

• 3 degrees

• 12 degrees

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CCSS.7.NS.A.1A

Which of the following situations would have a balance of 0?

• I withdrew $30 from my checking account, then deposited $30 into my account.

• Kaleb lost 10 yards on a football play, then gained back 5 yards on the next play.

• At the beginning of the day, Aaron drank 1/2 quart of water. At the end of the day, he was left with 1/4 quart of water in the bottle.

• A submarine was traveling 150 feet below sea level, then increased its depth by 50 feet.

Tags

CCSS.7.NS.A.1A

Linda deposited $200 into her bank account. She then wrote a check for $150. Which of the following represents the changes in the value of Linda’s account?

• $150 -$200

• $200 - $150

• $200 + $150

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CCSS.7.NS.A.1A

Which of the following have a net sum of 0? Select 3 answers.

• You climb up a mountain 1000 feet and you come down the mountain.

• You bake 24 cookies and you eat 24 cookies.

• You spend twice as much money as you make.

• You learn 12 new spelling words and you forget 10 of them.

• You owe your friend $24 and you pay them $24.

Tags

CCSS.7.NS.A.1A

If I take one step forward (+1) and then take one step backwards (-1). Did I move anywhere?

• yes

• no

• maybe

Tags

CCSS.7.NS.A.1A

What situation best describes a zero pair?

• You lost $5 then you spent $6.

• You had 2 dogs and then you got 2 more dogs.

• You had 4 apples and then you ate 4 apples.

• You owed $7 then you found a ten dollar bill.

Tags

CCSS.7.NS.A.1A

warmer

• positive

• negative

Tags

CCSS.7.NS.A.1A

Tim made 89 on his first quiz and 74 on his second quiz. Which integer represents the change in Tim's grades?

• 89

• 15

• -74

• -15

Tags

CCSS.7.NS.A.1A

Choose all situations where two quantities can make zero

• A sub dives 1,000 feet, then returns to the surface of the water.

• I had three cookies and ate three cookies

• 6 + -6 = 0

• I'm lost.

Tags

CCSS.7.NS.A.1A

Jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?

• -40

• -20

• 20

• 40

Tags

CCSS.7.NS.A.1A