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A drawing that shows a real object with accurate sizes reduced or enlarged by a certain amount (called the scale). The scale is shown as the length in the drawing, then a colon (":"), then the matching length on the real thing.
A scale drawing is created by multiplying each length by a scale factor to make it larger (an enlargement) or smaller (a reduction) than the original object. The scale of a drawing is usually stated as a ratio. For example, 1cm:5m.
A scale drawing represents an actual object but is different in size. Scale drawings are usually smaller than the object represented. The scale for a drawing is the ratio between the size of the drawing and what is represented. A map is an example of a scale drawing.
Scale is defined as the ratio of the length of any object on a model (blueprint) to the actual length of the same object in the real world. When we draw a real-world object on a piece of paper, we use a scale to describe our measurements accurately.
What is a scale drawing? A scale drawing is an enlargement of an object. An enlargement changes the size of an object by multiplying each of the lengths by a scale factor to make it larger or smaller. The scale of a drawing is usually stated as a ratio. E.g. 1cm:5m
The ratio of the length in a drawing (or model) to the length on the real thing. Example: in the drawing anything with the size of "1" would have a size of "10" in the real world, so a measurement of 150mm on the drawing would be 1500mm on the real horse. See: Ratio.
Scale drawings make it easy to see large things, like buildings and roads, on paper. Even a GPS uses scale drawings! Check out this tutorial to learn all about scale drawings.
How to write scales as ratios, and use them to find measurements for scale drawings and real lengths with BBC Bitesize Maths. For children between 11 and 14.
Learn about scale drawings and how to make and use them with this BBC Bitesize Scotland guide for National 4 Application of Maths.
Scale Drawings. The lengths in a scale drawing are in proportion to the actual lengths of an object. We often use a ratio to show the scale of a drawing. If we have a scale of 1:5 all of the lengths in the scale drawing are 5 times smaller than in real life.