This is the fourth of six High English grammar quizzes on comparatives and it focusses in particular on comparatives used to express proportion.
We cannot do without mathematics. We use it in our everyday life and the subject is a very precise one. If we go to the shop to buy some goods, we buy them with a specific quantity or number in mind. We may ask for 250 grams of sugar, or 12 eggs. Alternatively, we could ask for a quarter kilogram of sugar or a dozen eggs. Now, we know that 250 grams is a quarter of a kilogram because we have used proportion.
There are many words that can be used in place of numbers. Without actually giving the exact numbers involved, proportions help us to communicate the nearest quantity or numbers. Here's a couple of examples: