2 Why do we need to use scale to draw objects or house plans etc.? We couldn’t possibly fit the true measurements of a new house or a new design for a playground onto a piece of paper.
3 What jobs is this skill important for? ArchitectConstruction workersDrafters
4 How do we use scale measurements? It is important that the drawing is measured accurately using the scale.The measurements must make an exact copy of the real object/building but in a smaller size like a replica of a car
6 Imagine this house measures 10 cm in length. The scale used here is 1cm = 2.5mThis means that every centimetre we draw actually represents 2.5 metres length in real life.So if the house measures 10cm in length what is the true length of the house?10x2.5=2525m true length
7 Let’s try another one!The height of the scale drawing of this boat is 23cm.The scale is 1cm=7mHow will we work out the true height of the boat?Remember every centimetre is worth 7 metres in real life.23x7=161True height is 161 metres!