3). Solve each of these problems using the number line below:
 
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| 
  -8  -7  -6  -5  -4  -3  -2  -1   0  +1  +2  +3  +4  +5  +6  +7  +8
a). + 5 - 8 = ________

 b). + 1 - 5 = ________

c). - 3 + 6 = ________

 d). - 5 + 8 = ________

e). - 3 - 2 = ________

 f). + 6 - 2 = ________

g). + 3 - 2 = ________

 h). + 4 - 5 = ________

i). - 6 + 7 = ________

 j). - 2 - 5 = ________

k). - 5 - 2 = ________

 l). - 6 + 10 = ________

m). + 10 - 6 = ________

 n). - 1 + 1 = ________

q). + 6 - 1 = ________ r). - 7 + 16 = ________
4). (3 points)
I woke up on christmas morning and the temperature was +6 degrees. By noon the temperature had dropped 10 degrees. What was the temperature at noon?

Answer: _____

A few number lines for you:
 
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| 
  -8  -7  -6  -5  -4  -3  -2  -1   0  +1  +2  +3  +4  +5  +6  +7  +8    


 
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| 
  -8  -7  -6  -5  -4  -3  -2  -1   0  +1  +2  +3  +4  +5  +6  +7  +8