# Enlargement fractional 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.How to enlarge shapes with a fractional scale factor from a given center of enlargement using construction lines.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.

### Name: Math 9 Date: Math 9 Chapter 7 Similarity and

A step by step powerpoint for adding and subtracting decimals\nGood for practicing key skills - may need more if teaching the topic for the first t.If the scale factor is fractional positive, the image will be smaller than the object, but on the same side of the centre of enlargement. If the.Displaying top 8 worksheets found for - Fractional Scale Factor.

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### Enlargements from a point; positive, negative and

For example, a scale factor of means that the side-lengths of the new shape are twice the side-lengths of the original.### Enlargements on a Grid - Mr-Mathematics.com

Fractional scale factor You already know that the size of an enlargement is described by its scale factor.### Enlarging Shapes on a Grid - Mr-Mathematics.com

### Differentiated enlargement work booklet by Joanne Brookes

An interactive animation illustrating enlargement of a right-angled triangle using a negative scale factor.The numerator value of a scale factor. Preimage. The denominator value of a scale factor. Features. Quizlet Live.The lesson begins by teaching you that a scale factor is needed to make an enlargement.If the scale factor, k, is greater than 1, the image is an enlargement (a stretch).Scale can be expressed as a ratio fraction or percent it is a comparison between the actual size of an object.

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Scale factor enlargement bbc home, a key stage 3 revision and recap resource for maths, covering transformations including, scale factor enlargement, centre of enlargement and fractional scale factor.### L5 Transformations - Nayland College

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The scale factor is the factor by which a picture or object is enlarged or shrunk.### Transformations notes paper B F4 - Mathematics

If the scale factor is equal to 1, then the enlarged shape will be the same size in the same place.### Dilations: Scale factor - Math Exercises

If the scale factor is zero, then the shape will effectively disappear.Learning progresses from enlarging shapes to a positive scale factor to fractional scale factors.The example below shows an enlargement of triangle ABC with scale factor 2 and centre of enlargement (1,1).

As learning progresses they are challenged to consider more complex transformations such as fractional scale factor enlargements.Side length of scale drawing Side length of original drawing Remember a fraction or decimal is okay Reductions, Enlargements and the Scale Factor The red square has side lengths of 3.

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Scale Factor needs to be the.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.

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### Enlargements by Abisola Olayinka on Prezi

### Scale Factors and Similarity - Math Concepts Grade 9

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

It can be represented as a ratio, fraction, percent, in words or in a diagram.### Scale factor area and perimeter | Tutorvista Answers

The booklet consists of a worked example for student notes and to teach students how to enlarge a shape by a given scale factor, find the centre of enlargement and calculate the scale factor.More able students are challenged to describe as well as perform enlargements by finding the centre and scale factor.The.