Scale drawings corbettmaths

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Thank you for the post. I think the key issue here is the ratio conversion not necessarily scale. Most students understand that ratio colons ":" means "to", But some students try the hard conversion by trying to change cm to km while it is much easier to do the opposite. I agree they do know what a ratio is but I'm less sure they're familiar with ratios in the contexts of maps, which is why this particular GCSE question threw them. Thanks for a very interesting post. I find it a frustrating topic to resource because a lot of superficially realistic and relevant tasks are really too easy.

Scale drawings corbettmaths

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Scale drawings are used to represent larger or smaller objects, drawings, images or maps. There are 6 skills you need to learn for scale drawings. Take a pre-assessment and understand what topic areas you need to work on to ensure you pass for level 2 maths exam first time. Scale factors are used to accurately scale up or down an image. Scale drawings will come with a key, or a scale factor, that tells you what a dimension in the drawing is equal to in real life. Our Facebook page can put you in touch with other students of your course for revision and community support. Alternatively, you can find us on Instagram or TikTok where we're always sharing revision tips for all our courses. Example: The scale drawing below shows a section of coastline. Calculate the distance between point A and point B. We first need to measure the length of the scale, using a ruler.

Scale drawings corbettmaths

Here we will learn about scale drawings, including creating scale drawings, using scale factors, and word problems. An enlargement changes the size of an object by multiplying each of the lengths by a scale factor to make it larger or smaller. In order to interpret and produce scale drawings we need to know the scale factor and the actual lengths of the object. This means that every centimetre on the diagram represents 2 metres in real life. So the 6cm width of the diagram represents a 12m width on the real pool. The majority of scale drawing questions will involve polygons or 2D drawings such as floor plans or using a map although there is overlap with topics such as enlargement, construction of triangles , and loci.

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Scale drawings represent real objects with accurate lengths reduced or enlarged by a given scale factor close scale factor The ratio of corresponding edge lengths, drawing to real life. Scale drawings close scale drawing An accurate drawing, or model, of a representation of a physical object in which all lengths in the drawing are in the same ratio to corresponding lengths in the actual object. Scale drawings may also be a larger representation of small objects such as parts for a watch or a medical instrument.

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