We use scale drawings to represent large items in a small amount of space. The scale is like a key that transforms a large distance into a small distance, for instance 1cm for every 1km. When drawing to scale, we need to use a ruler and measure as accurately as we can with the equipment we have.

Exercise

Let’s practice this skill in the below exercise (exercise 27 from pages 37 to 39 of the textbook):

The answers are below: