Adding or Subtracting Signed Numbers

-2 + 4 

• -2
• 2
• 0
• -4

3 + -7

• 10
• 4
• -10
• -4

-9 + (-5)

• -14
• 14
• -4

-8 + 20

• -28
• 28
• 14
• 12

-8 + 13

• 21
• -21
• 5
• -5

• 9
• 10
• -9
• -10

• 7
• 5
• -7
• -5

Alaska is -3 degrees, Iowa is 5 degrees, Idaho is -7 degrees, New York is 9 degrees, and Maine is -1. Which state has the coldest temperature?

• Alaska
• Iowa
• Maine
• Idaho

Which situation could the integer -50 represent?

• An increase of $50 in a bank account
• The temperature on a warm spring day
• The distance driven on the way to the beach
• A decrease of 50 employees

The quarterback had a 10-yard loss and then a 25-yard gain.  Which integer represents a 25-yard gain?

• -25
• -10
• 25
• 10