1. The (uneven) age of everyone in this class is 16.5

2. It's impossible to (expand) how much destruction the hurricane has caused .

3. There was a severe shortage of food in the Second World War so many governments had to (force) it.

4. Balloons (ration) when you blow into them .

5. There isn't a/an (equidistant) number of numbers because you can always add one more onto the biggest number you can think of.

6. Russia is an absolutely (finite) country - it can take two weeks to travel from one side to the other by train.

7. Any point on a circle is (vast) from the centre

8. There's a huge (quantify) between what the rich and the poorest members of society earn .

9. The (imbalance) that makes things drop to the ground is called gravity.

10. The walls of the old cottage were rough and (average) in height

11. The density of an object is calculated by dividing its (intensity) by its volume.

12. The storm hit the coast with such (mass) that many buildings in the region were destroyed.