Positive and Negative Numbers

19 + -23 =

(a)  

The temperature dropped from 7 Degrees to -5 degrees. 
Marina: “Wow, I can’t believe the temperature fell 12 Degrees.
Jason: No, it only fell 2 Degrees.
Who is Correct?

• Marina
• Jason
• Neither

-6 + 21 =

(a)  

It is - 4 in Iceland at 7 am. The temperature then increases by 6 Degrees. What is the new temperature?

• 2
• -10
• - 2
• 10

The average December temperature in Sicily is 12 Degrees. The average December temperature in Bern, Switzerland is - 1 Degrees. How much would Bern need to increase by to reach 12 degrees? 

• 11
• 10
• 13
• -11

7 + 14 =

(a)  

Put the following numbers in order from smallest to largest.
6, -2, -8, 8, 2
Choose the correct answer.

• 8,-8, 2, -2, 6
• -8,-2, 2, 6, 8
• 8, 6, 2, -2, -8
• 8, -8, 6, 2, -2

List the temperatures in order from coldest to warmest.
New York (Summer) 22
California (Summer) 27
St. Petersburg (Winter) - 12
Alaska (Winter) - 20

• New York, Alaska, California, St.Petersburg
• Alaska, St.Petersburg, New York, California
• California, Alaska, St.Petersburg, New York
• California, New York, St. Petersburg, Alaska

What is - 3 add 4?

• 0
• 12
• -7
• 1

What is -8 + 8?

• 0
• -16
• 16
• 64