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1. • • When describing an enlargement you must state by how much the shape has been enlarged. This is called the scale factor. For example, a scale factor of 2 means that the new shape is double the size of the original shape. When a scale factor is a fraction the shape decreases in size, but we still call this an enlargement.
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     What is a scale factor? - BBC Bitesize

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   What if a shape is enlarged by a scale factor?

   • Enlarging a shape by a scale factor between 0 and 1 will make the shape smaller. This is often written as a fraction and is known as a fractional scale factor. E.g. Shape A has been enlarged by scale factor 1 2 21 to make shape B. The corresponding angles are identical but each side in shape B is half the size of the original shape.

   Enlargement - GCSE Maths - Steps, Examples & Worksheet

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   How does a scale factor determine enlargement?

   • Enlargement of a shape or quantity is determined by its scale factor. The position of a shape is determined by where the centre of enlargement is located. The centre of enlargement can either be within the shape or outside it. How does a scale factor work? When describing an enlargement you must state by how much the shape has been enlarged.

   What is a scale factor? - BBC Bitesize

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   What if a shape is enlarged by scale factor 2 2?

   • E.g. Shape A A has been enlarged by scale factor 2 2 to give shape B B. The corresponding angles are identical but each side in shape B B is double the size of the original shape. The corresponding angles are identical. The two shapes are similar shapes. 1 1 will make the shape smaller.

   Scale Factor - GCSE Maths - Steps, Examples & Worksheet

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   How to calculate scale factor for enlargement of shape a a to shape B?

   • Calculate the scale factor for the enlargement of Shape A A to Shape B B: Choose a pair of corresponding sides. Let’s choose the vertical sides on the left. The length of shape A A is 2 2. The length of shape B B is 4 4. Divide the length of the enlarged shape by the length of the original shape.

   Scale Factor - GCSE Maths - Steps, Examples & Worksheet

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   What is a scale factor?

   • A scale factor describes how much a shape has been enlarged. We multiply every side length of a shape by the scale factor to enlarge it. The sizes of the angles do not change. 1 1 will make the shape bigger. E.g. Shape A A has been enlarged by scale factor 2 2 to give shape B B.

   Scale Factor - GCSE Maths - Steps, Examples & Worksheet

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   How do you enlarge a shape with a scale factor?

   • For example, to enlarge a shape with the scale factor of two, the length of all sides would be multiplied by two. Since the new shape is similar, all of the angles would be the same size. A scale factor greater than one produces a larger shape. A scale factor between zero and one results in a smaller shape.

   Enlargement - KS3 Maths - BBC Bitesize

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3. www.bbc.co.uk › bitesize › articlesWhat is a scale factor? - BBC Bitesize

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   How does a scale factor work? When describing an enlargement you must state by how much the shape has been enlarged. This is called the scale factor.

   • Enlargement - KS3 Maths - BBC Bitesize

     Shape D'E'F' is an enlargement of DEF by a scale factor of...

   • Using scale factors - Maths - Learning with BBC Bitesize

     A scale factor is when you enlarge a shape and each side is...

4. www.bbc.co.uk › bitesize › articlesEnlargement - KS3 Maths - BBC Bitesize

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   Shape D'E'F' is an enlargement of DEF by a scale factor of three, with point Q as the centre of enlargement. The answer can be checked by drawing dashed lines through pairs of corresponding...

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6. thirdspacelearning.com › scale-factorScale Factor - GCSE Maths - Steps, Examples & Worksheet

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   A scale factor describes how much a shape has been enlarged. We multiply every side length of a shape by the scale factor to enlarge it. The sizes of the angles do not change. Enlarging a shape by a scale factor greater than 1 will make the shape bigger. E.g. Shape A has been enlarged by scale factor 2 to give shape B .

7. www.bbc.co.uk › bitesize › articlesUsing scale factors - Maths - Learning with BBC Bitesize

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   A scale factor is when you enlarge a shape and each side is multiplied by the same number. This number is called the scale factor. Maps use scale factors to represent the distance...

8. Videos

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     Easy Way to Find Scale Factor in Enlargement!!

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     Finding Scale Factor Big to Small and Small to Big

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9. www.cuemath.com › geometry › scale-factorScale Factor - Formula, Meaning, Examples - Cuemath

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   If the scale factor is more than 1 (k > 1), the image is enlarged. If the scale factor is less than 1 (0< k <1), the image is contracted. If the scale factor is 1 (k = 1), the image remains the same.

10. thirdspacelearning.com › geometry › scale-factorScale Factor - Math Steps, Examples & Questions

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    Here you will learn about scale factor, including enlarging a shape by a scale factor on a grid. You will extend this to learn about fractional scale factors and how to calculate scale factors. Students will first learn about scale factor as part of geometry in 7 th grade and continue to work with scale factor in high school.

11. thirdspacelearning.com › enlargement-mathsEnlargement - GCSE Maths - Steps, Examples & Worksheet

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    Enlarging a shape by a scale factor between 0 and 1 will make the shape smaller. This is often written as a fraction and is known as a fractional scale factor. E.g. Shape A has been enlarged by scale factor 1 2 21 to make shape B. The corresponding angles are identical but each side in shape B is half the size of the original shape.