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Scaling! What happens to sides? What happens to area?

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Presentation on theme: "Scaling! What happens to sides? What happens to area?"— Presentation transcript:

1 Scaling! What happens to sides? What happens to area?

2 Create the TABLE comparing scaled sides of a square to scaled areas of squares Original Side Scale Factor Scaled Side Area of New Shape 1111

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4 Create the TABLE Original Side Scale Factor Scaled Side Area of New Shape 1111 122

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6 Create the TABLE Original Side Scale Factor Scaled Side Area of New Shape 1111 1224

7 Create the TABLE Original Side Scale Factor Scaled Side Area of New Shape 1111 1224 133

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9 Create the TABLE Original Side Scale Factor Scaled Side Area of New Shape 1111 1224 1339

10 Keep filling in table and drawing squares until you have an area or 64

11 Plot the two sets of points Scale FactorSide LengthScale FactorArea 1111 2224 3339

12 Ellie was drawing a map of her hometown using a scale of 1 centimeter to 8 meters 8 meters 1 centimeter

13 30 meters The actual distance between the post office and City Hall is

14 What is the exact distance between those two places on Ellie’s map

15 8 meters 1 centimeter = 30 meters x centimeters 8 times what is 30? 3.75 cm On Ellie’s map, the post office is 3.75 centimeters away from City Hall

16 In her drawing, the distance from the post office to the library is 22 cm. What is the actual distance? 8 meters 1 centimeter = x meters 22 centimeters 176 meters The actual distance from the post office to the library is 176 meters

17 Allen made a scale drawing of his rectangular classroom. He used the scale ½ in = 4 ft. His actual classroom has dimensions of 32 feet by 28 feet. 4 feet ½ inch 8 feet 1 inch =

18 What are the dimensions of the scale drawing of the classroom? 4 feet ½ inch 8 feet 1 inch = 32 ft. x 28 ft. Divide both by 8 4 ft. x 3.5 in.

19 On a map, Breanne measured the distance between Los Angeles and San Francisco at 2 inches. The scale on the map is ¼ in = 43 miles. What is the actual distance tween Los Angeles and San Francisco?

20 43 miles ¼ inch = 172 miles 1 inch 344 miles


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