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I know how to use proportions to solve word problems
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Do Now: How do you solve proportions?
If you learned cross multiply last year­ You can only use that "trick" if you have two fractions with an equal sign between them (proportion)
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Dr. Norton is on the board of directors for a medical group that operates several hospitals. Today, she is driving from one hospital to another to attend meetings. The two hospitals are 90 kilometers apart. On a map with a scale of 1 cm = 3 km, how far apart are the two hospitals?
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Bella made a scale drawing of a summer camp. She created the drawing so that 1.5 centimeter = 4 meters. In the drawing, the sand volleyball court is 4 centimeters long. What is the length of the actual volleyball court?
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Wayne is traveling to craft fairs to sell some handmade products. Tomorrow he leaves one fair in Winchester to drive to another in Yardley. On Wayne's map, these two cities are 19 1
centimeters apart. On the map is 1 cm = 5km. In real life, what 2
is the distance between Winchester and Yardley?
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Joseph typed a 1,200­word essay in 25 minutes. At this rate, determine how many words he can type in 45 minutes.
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The courthouse in Somerville is 2 inches away from city hall
on a map, and 8 miles away in real life. What is the map's scale?
1 inch = miles
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Garrett lives on a farm that is quite far from the nearest city. Once a month, he drives to Hillsdale to stock up on groceries. The distance from the farm to the city is 90 kilometers. On a map, this distance is 18 centimeters. What is the scale of the map?
1cm= km
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Jenna measured a shopping center and made a scale drawing. In real life, a bakery in the shopping center is 48 feet wide. It is 12 inches wide in the drawing. What is the scale of the drawing?
1 inch = ft
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Classwork:
11b completed.notebook
Computer Procedures