Negative Integers

1. Which is bigger?  
a) -3 or -10
b) 3 or -3
c) -2 or -4
d) -10 or 15
e) -6 or -9

2. The following table shows the temperature in London in a given week:

Monday            -3°C
Tuesday            -5°C
Wdenesday        -2°C
Thursday            1°C
Friday                -7°C
Saturday             4°C
Sunday                2°C

a) On which day is the temperature the lowest?

b) On which day is the temperature the highest?

c) If you arrange the temperatures from the lowest to the highest, which day will be in the middle?

Note:
Answer for the following questions(d to h) should be given as 'increased or decreased by ___°C'.

d) What is the temperature difference between Monday and Friday??

e) What is the temperature difference between Wednesday and Friday?

f) What is the temperature difference between Tuesday and Friday?

g) What is the temperature difference between Tuesday and Sunday?

h) What is the temperature difference between Wednesday and Sunday?

3. The following table shows the temperature in different cities on a given day:

London               1°C
New York          -2°C
Stockholm          -6°C
Toronto              -8°C
Sydney               22°C
Los Angeles        13°C
Rio de Janeiro     25°C

a) What is the difference in temperature between Los Angeles and Toronto?

b) What is the difference in temperature between Stockholm and London?

c) What is the difference in temperature between Los Angeles and Stockholm?

d) Which city has the lowest temperature?

e) What is the difference in temperature between Toronto and Sydney?

f) What is the difference in temperature between Rio de Janeiro and Toronto?

g) What is the difference in temperature between Toronto and New York?

4. Use number line to work out the following calculations:

a) 6 - 8 =                 f) 5 - 2 =
b) -7 + 4 =               g) -4 - 3 =
c) -8 + 3 =               h) -3 -3 =
d) 5 - 10 =               i) -6 +2 =
e) 2 - 8 =                 j) 1 - 4 =