Real World Examples - Proportions
-
Upload
colorado-morse -
Category
Documents
-
view
46 -
download
3
description
Transcript of Real World Examples - Proportions
![Page 1: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/1.jpg)
Real World Examples - Proportions7th Grade Math
November, 2012
![Page 2: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/2.jpg)
A tree casts a 32.5 foot-long shadow at the same time a 24 foot flagpole casts a 15 foot-long shadow. Set up and solve a proportion to find the height of the tree.
32.5 feet
24 f
eet
15 feet
x
![Page 3: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/3.jpg)
Mrs. Hanley’s geometry class is trying to approximate the height of the Washington Monument. They notice that the monument casts a 333 foot-long shadow at the same time a 5 foot-tall student casts a foot-long shadow. Approximate the height of the Washington Monument by setting up and solving a proportion.
h
333 ft
3 ft
5 ft
![Page 4: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/4.jpg)
Michael is making a model of his father’s car. The car is 4.5 feet-tall and 11 feet-long. How long will the model car be if he uses a scale of 1 inch to 2 feet.
11 feet
x inches
![Page 5: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/5.jpg)
Michael is making a model of his father’s car. The car is 4.5 feet-tall and 11 feet-long. How tall will the model car be if he uses a scale of 1 inch to 2 feet.
4.5
ft
x
![Page 6: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/6.jpg)
Mrs. Garcia wants to make a small flower garden similar to the triangular garden already in her yard. She wants the new one smaller but still proportional. If the longest side of the small garden is 6 feet long, what will be the dimensions of the other two sides of her new garden?
24 ft
6 ft
16 ft
18 ft
a
b
![Page 7: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/7.jpg)
In 2002, people in Laredo, Texas, erected the tallest flagpole in the United States. It can be seen from miles away.
According to the information in the drawing, what is the approximate height of the flagpole? (The drawing is not drawn to scale.)
A. 308 feet
B. 295 feet
C. 205 feet
D. 197 feet
![Page 8: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/8.jpg)
A common food has 923 calories for every 6 servings. How many calories are in 11 servings of the same food?
![Page 9: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/9.jpg)
If you can run 100 meters in 10 seconds, how long does it take you to run 12,800,000 meters (in days, hours, and minutes)?
![Page 10: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/10.jpg)
Evarado paid $1.12 for a dozen eggs. Write and solve a proportion to determine the cost of the 3 eggs Evarado needs for a recipe.
![Page 11: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/11.jpg)
• You estimate that you can do 12 math problems in 45 minutes. How long should it take you to do 20 math problems?
![Page 12: Real World Examples - Proportions](https://reader034.fdocuments.in/reader034/viewer/2022052603/56813686550346895d9e1004/html5/thumbnails/12.jpg)