Operations Negative Numbers

What does the number line represent?

• 4 - 3 = 1

• -1 - 3 = -4

• -4 + 3 = -1

• 3 - (-4) = 1

It's getting really cold in Srinagar today. The temperature is dropping by 2° every hour. It is 6° celsius right now. How long will it take for the temperature to hit −10° celsius? (in hours)

Joe is playing a game with a regular die. If the number that turns up is even, he will gain 5 times the number that comes up. If it is odd, he will lose 8 times the number that comes up. He tosses a 3 and a 6. Express the total points Joe gains as an operation of integers.

• 6 x 5 + 3 x (-8)

• 6 x (-8) + 3 x 5

• 6 x 5 - 3 x (-8)

• 6 x 8 - 3 x 5

The quotient of two negative integers is ​ (a)   negative.

• sometimes

• always

• never

(-4) - 7 =

• 3

• -3

• 11

• -11

Which equation is equal to -12 - 8=

• 12 - 8 =

• 12 + 8 =

• -12 - (-8) =

• -12 + (-8) =

The temperature on Sunday was -15^o C.  The temperature on Monday was 12 degrees less than the temperature on Sunday.  What was the temperature on Monday? 

• -27^o C

• 27^o C

• -3^o C

• 3^o C

-2 - (-1) =

• 3

• -1

• 1

• -3

Fifteen degrees less than thirty degrees below zero

• -45 degrees

• +45 degrees

• -15 degrees

• Wear a heavier coat

• +15 degrees