Multiplication
10(-3)
-30
-25÷(-5)
5
You lost money on an investment at a rate of $5 per day. How much money did she gain or lose after four days?
(multiplication, -20) She lost $20.
-7(3)
-21
-20÷2
-10
The temperature in Chicago was -12 degrees C. In Florida the temperature was 22 degrees C. How many degrees warmer was the temperature in Florida?
(subtraction) Florida was 34 degrees warmer.
-6(-3)
18
4 ÷ (-4)
-1
You park in a garage 3 floors below ground level. Then you get in the elevator and go up 7 floors. What floor do you get off the elevator?
(addition) You got off the elevator on the 4th floor.
2(-2)(-2)(2)
16
-100 ÷ (-5)
20
The basketball team lost their last 7 games by a total of 42 points. On average, by how many points did they win or lose each game?
(division, -6) They lost by 6 points each game.
-2(-3)(-4)
-24
51 ÷ (-3)
-17
A scuba diver is at an altitude of −10 meters and a shark is at an altitude of −25 meters. What is the difference in altitudes?
(subtraction) The difference between the altitudes is 15 meters.