# Enlargement with fractional scale factor

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This page is for all those students who wants to learn mathematics, especially for my maths students of Pisj-es.To enlarge 2D shapes, given a centre of enlargement and a scale factor We working out an enlargement, you need to know the scale factor and the centre of enlargement.You understand that you need a Scale Factor and a Centre of Enlargement in order to be able to do an Enlargement.The scale factor (S.F.) is a ratio of one to the other, thus.I can enlarge a shape by positive scale factor from a centre of enlargement and I can find a centre of enlargement and a scale factor.

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### PPT - Enlargement PowerPoint Presentation - ID:650755

Students need to use notes from lesson to answer the questions.Displaying top 8 worksheets found for - Fractional Scale Factor.The scale factor is the relationship between the matching lengths on the two diagrams.Enlargements fractional and negative scale factors bbc, enlargements fractional and negative scale factors we already know how to draw an enlargement with a positive whole number scale factor if you need to revise this, return to transformations.### GCSE Topics by grade | Mr Stevenson's Maths Class

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To change the scale factor of the enlargement use the slider.The scale factor is the factor by which a picture or object is enlarged or shrunk.Draw the image of Al after enlargement with scale factor 3, (00 Label the image A4.If you are given two shapes and need to find the scale factor, you must know which one was the original and which one is the image or the new shape.

### enlargement | mho maths

The scale factor may be expressed as a fraction, decimal, or percent.Enlargement Objectives: C Grade Enlarge a shape by a fractional scale factor Compare the area of an enlarged shape with the original shape Find the centre of enlargement.The scale factor, or linear scale factor, is the ratio of two corresponding side lengths of similar figures.

### Dilations: Scale factor - Math Exercises

The labelled representative fraction (R.F.) on the map is referred to as the principal scale while the local scale caused by projection distortion effects is known as actual scale and will vary from place to place.### Acquiring abstract geometrical concepts: the interaction

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C Grade Enlarge a shape by a fractional scale factor Compare the area of an enlarged shape with the original shape Find the centre of enlargement.You already know that the size of an enlargement is described by its scale factor.For an enlargement, the scale factor will be greater than 1. Example.Constructing enlargements with fractional scale factors in OCR exam questions (from specimen papers) Give students slide 19.

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If you begin with the larger figure, your scale factor will be greater than one.GCSE Maths Revision Cards Double Pack Grade C and Grade B to A.### Dilations with Scale Factors to Enlarge and Reduce Images

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Admin This page is for all those students who wants to learn mathematics, especially for my maths students of Pisj-es.The larger the scale factor, the larger your cartoon will become.If we were to increase the size of Triangle 1 by a scale factor of 2 it would double these dimensions to give us Triangle 2 which has length 16 and a height of 10.Any number of...Label the image C. (b) Enlarge shape B below by a scale factor.The scale can be written as a scale factor, which is the ratio of the length or size of the drawing or model to the length of the corresponding side or part on the actual object.Some of the worksheets for this concept are Mathematics linear 1ma0 enlargement negative scale factor, Work on years, Topic f multiplication with fractions and decimals as, Dilation teacher notes, Enlargements fractional sf at3 l7, Master enlargement.Change the centre of enlargement, the enlargement scale factor, or the shape itself to further challenge your students Video Tutorials The following video takes you through, step-by-step, some of the ways you can use Autograph to look at the topic of enlargements.