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 =

Time Problems

Write the following times in 24 hour clock format:

Example:

5:15 AM should be written as 05:15
6:15 PM  should be written as 18:15

1) Quarter to 6 in the morning.

2) 3:30 PM 

3) Quarter past 10 in the morning

4) 20 minutes past 12 in the night 

5) 12:15 AM

6) Quarter to 12 in the night

7) 4:25 PM

8) 11:45 AM

9) 4 minutes to 8 in the night

10) 8:23 PM

Word Problems:

1. Tom has to catch 08:17 train to work. If he takes 20 minutes to walk to the station, what time should he leave home?

2. Anna takes 35 minutes to get ready, 18 minutes to eat breakfast and 9 minutes to walk to school.What is the latest time she can wake up if she has to reach school at 8:25 AM?

3. Anna goes to ballet lessons every Saturday. The 40 minutes lesson ends at 11:05 AM. What time does it start?

4. Sam wants to watch a movie which runs for 123 minutes. If he starts at 4:15 PM, at what time will the movie end?

5. It took 3 hours 42 minutes for Anna to travel from London to Manchester. If Anna reched Manchester at 8:17 PM, at what time did she leave London?

Word Problems

                          Price list

Shirt                 £34         Trousers         £45
Shoes               £39          Dress-Ladies  £48
Handbag-small  £18          Dress-Girls    £27
Handbag-big     £38          Coat              £56
Hat                    £9          Trainers         £35
Scarf                £14          Pajamas         £12.50
Slippers            £15          Tie                £13


1. Anna bought 3 items from the above list. She paid £40 and got £2 change. what 3 items did she buy?

2. What two items from the above list cost exactly £40(together)?

3. If  ladies' dresses were on sale for 25% off, how much would it cost to buy 3 dresses?

4. If shoes were on sale for 10% off, how much would a pair of shoes cost?

5. Which 3 items from the above list cost £100 together?

On Saturday, all the items were on 'buy one and get the second one half off' sale.

1. Anna bought 2(same) items and paid £51. What item did she buy?

2. How much would it cost to buy
 a) 2 coats
 b) 2 big hand bags
 c) 2 ties
 d) 2 girls' dresses
 e) 2 pairs of trainers?


Note: Do not use the above price list for the following problems.

1. A dozen eggs cost £5.10. What is the cost of 4 eggs?

2. 4 cupcakes cost £2.50. What is the cost of 10 cupcakes?

3. 250 g of butter costs £1.25. What is the cost of 3 kg butter?

4. Six bread rolls cost £2.40. What is the cost of 10 bread rolls?

5. 500g sugar costs £1.60. What is the cost of 3.25 kg sugar?