'Scale factor greater' presentation slideshows

7-5

7-5. Dilations. Warm Up. Problem of the Day. Lesson Presentation. Pre-Algebra. Problem of the Day Every day, a plant grows to three times its size. Every night, it shrinks to half its size. After three days and nights, it is 6.75 in. tall. How tall was the plant at the start?. 2 in. 3 4.

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5-6

234 views • 23 slides

Warm Up

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Dilations

Dilations. Vocabulary. Dilation: The image created by enlarging or reducing a figure. Center: The center of a dilation is a fixed point used for measurement when altering the size of the figure.

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EXAMPLE 1

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EXAMPLE 1

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Ratios of Scale drawings

Ratios of Scale drawings. Scale drawings :. A scale drawing is a drawing that represents a real object. The scale of the drawing is the ratio of the size of the drawing to the actual size of the object. Examples: blueprints and maps. Scale factor :.

62 views • 4 slides