# Enlargement and reduction scale factor worksheet

Green (whole number), amber (fractional), red (centre of enlargement) and extension (missing lengths) enlargement worksheets for KS3.The number used to multiply the lengths of a figure to stretch orshrink it to a similar image.We reinforced the concept of enlargement (scale factors greater than 1) and reduction (scale factors less than 1).

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In this section we look at what happens to the area of shapes and the volume of solids when the lengths in those shapes or solids are enlarged by a particular scale factor.

A reduction of each object is to be drawn with the given scale factor.

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Scale factors express the degree of enlargement or reduction.The expression a:b:c means the ratio of the first two quantities is a:b, the ratio of the last two quantities is b:c, and the ratio of the first and last quantities is a:c.For example, a scale factor. of 2 means that the new shape is twice the size of the original.

The scale factor can be calculated using measurements of corresponding lengths on the original and the model, using the equation: A scale factor of less than 1 reduces the size of an object.

Learn similar figures pre algebra with free interactive flashcards.Describe the effects of dilations, translations, rotations, and reflections on 2-D.How it works: Fill in the original DPI and the reduction or enlargement percentage and click Calculate to receive the new, modified DPI.

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Unit 19 Section 3: Line, area and volume scale factors. Cimt.org.uk Unit 19 Section 3: Line, area and volume scale factors.

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Usually the word scale is used for an instrument used for drawing straight lines.

This journal entry involves a fun activity using Oreos to illustrate the two types of dilations: Enlargement Reduction Scale factor characteristics.

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A scale factor of 3 means that the new shape is three times the size of the original.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.Use two methods for drawing a picture with dimensions three times as.

### Scale Factor Examples - ICoachMath.com

Scale and scale factor theory mathematics dr aart, geometry scale and scale factor contents 1 calculating with a scale 2 calculating with a scale factor 3 scale factor with area and volume for more information about enlargement.

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Mathematics: To solve this task successfully, students must relate different scale factors as fractions, decimals, and percents to.

Fill in the original DPI and the reduction or enlargement percentage and click Calculate to receive the new, modified DPI.Scale Factors Answer Key. 1. If the figure was dilated by a scale factor of two,.

Find the matching length in centimetres on the reduction. a) A water ski has length 170 cm.I created and used these with my mid-low ability Y7 class, with the sheets providing a challenge for all.Another possible answer is: The width of the first figure is reduced more than half while...