Slide 1

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

Slide 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

Slide 3

Slide 4

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

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Slide 6

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

Slide 7

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

Slide 8

Slide 9

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

Slide 10

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

Slide 11

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

Slide 12

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

Slide 13

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

Slide 14

What is the exact distance between those two places on Ellies map

Slide 15

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

Slide 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

Slide 17

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

Slide 18

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

Slide 19

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

Slide 20

43 miles inch = 172 miles 1 inch 344 miles