Subtracting Integers

-23 + (-7) + 5 = 

• -11

• 21

• 35

• -25

A submarine's elevation is -15 feet relative to sea level. A whale is swimming at an elevation of -50 feet. What is the difference in elevation between the submarine and the whale?

• 35 feet

• 56 feet

• 65 feet

• 70 feet

Which of the following expressions has the greatest value?

• -7+(-3)

• 11-(-5)

• -9+5

• 12-6

Find an equivalent expression for the following using KAC:
-a - b

• -a + -b 

• a + b 

• -a - (-b) 

• b - a 

Allie deposited $400 into her bank account. A couple of days later, she withdrew $50. The next day she deposited $20 more. A day later she withdrew $150. What is the overall change in her account?

• $520

• $220

• -$280

• $580

Which expression does not equal zero?

• −52 + 52

• 12 + (−12)

• 6 − (−6)

• −83 − (−83)

-2 + 2 =

• -4

• -1

• 0

• 1

Patricia has a bank balance of −$54. If she deposits $100, what is her new balance?

• $154

• $100

• $54

• $46

−62 − (−25) =

• -87

• -37

• 37

• 87

-18 − (-5) =

• -23

• -13

• 13

• 23