Quiz 6: Subtracting Integers

-8 - (-4) =

• 12
• -12
• 4
• -4

5-19

• 14
• 24
• -14
• -24

1-2

• 1
• -1
• 5
• -5

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

• 1526

• -1526

• 1846

• -1846

On what type of mathematical operation do you use KCC (Keep, Change, Change)

• Addition

• Subtraction

• Multiplication

• Division

Your checking account is overdrawn by $50. (This means your account is negative). Then you earn $60. What is the balance in your account now?

• $110.00

• 0

• -$10

• $10

Consider the four expressions 2 + 6, (−2) + (−6), (−2) + 6, and 2 + (−6). Write these expressions in order from the one with least value to the one with greatest value

• (−2) + (−6), (−2) + 6, 2 + 6, 2 + (−6)

• (−2) + (−6) , 2 + (−6) , (−2) + 6 , 2 + 6

• 2 + 6 , (−2) + 6 , 2 + (−6) , (−2) + (−6)

• 2 + 6 , (−2) + 6 , (−2) + (−6) , 2 + (−6)

What is the distance between -3 and 5?

• 7

• 8

• 9

• 10

A shark was 40 feet below the surface of the water. A fisherman was casting off of a dock right above the shark that was 12 feet above the surface of the water. What is the distance between the shark and the fisherman?

• 28 feet
• -28 feet
• 52 feet
• -52 feet

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.
• Change subtraction sign to addition and use the opposite of the second number.
• Find the opposite of both numbers and then add. 
• Subtract like normal and keep the larger sign.