1. a loaf of bread
two loaves of bread
a slice of bread
three slices of bread

2. a jar of jam
four jars of jam

3. a bar of chocolate
five bars of chocolate
a box of chocolates

4. a slice of cheese
a piece of cake

5. a packet of biscuits
a packet of flour

6. a bottle of water
a glass of water
a jug of water

7. a carton of milk
a bottle of milk
a glass of milk

8. a carton of fruit juice
a glass of fruit juice

9. a can of coke
a tin of coke

10. a cup of coffee
a cup of tea

11. a bowl of soup
a plate of spaghetti

12. a bag of chips
a bar of butter

13. a bar of soap
a tube of toothpaste