WESTWARD EXPANSION Opportunity Cost Map Activity/ Supply and Demand Teacher Page The following activities were created by Dawn Wise/Barrington Created by Dawn Wise/Barrington * The learner will predict and list supplies necessary to make a trip from Kansas to Oregon on the Oregon Trail. * The learner will calculate the opportunity cost involved in making this trip. * The learner will analyze a map of the trail along with three possible routes. Students will then choose which route they think is best and provide a written response justifying their choice. * The learner will explain the dynamics of supply and demand. Instruct the students to use their journals to predict and list supplies needed. Remind students that opportunity cost is simply the total dollar amount that an opportunity, project,or in this case, a trip ,will cost. You and your family are traveling west from Nebraska to Fort Bridger and then on to Oregon. Make a list of supplies you will need for the trip. Here are some examples of supplies you may have listed along with their imaginary prices. ITEMS Total $ ITEMS Total $ 3 pots and 3 pans $15.00 2 lbs. flour Figure out 5 blankets the $15.00 2 lbs. cornmeal opportunity cost for your 4 hunting rifles trip to bullets $20.00 Oregon. (Click to hide) 4 lanterns $ 8.00 3 wagon wheels 1 ax clothing $ 3.00 $ 3.00 $20.00 $21.00 $ 3.00 $25.00 20 jugs of water lamp oil $ 4.00 $ 3.00 Here are some examples of supplies you may have listed along with their imaginary prices. ITEMS Total $ ITEMS 2 lbs. flour 2 lbs. cornmeal Total $ 3 pots and 3 pans $15.00 5 blankets 4 hunting rifles 4 lanterns $15.00 $ 3.00 $ 3.00 $20.00 $ 8.00 bullets 3 wagon wheels $20.00 $21.00 1 ax clothing $ 3.00 $25.00 20 jugs of water lamp oil $ 4.00 $ 3.00 ITEMS Total $ ITEMS 2 lbs. flour Total $ $ 3.00 3 pots and 3 pans $15.00 5 blankets 4 hunting rifles $15.00 $20.00 2 lbs. cornmeal bullets $ 3.00 $20.00 4 lanterns 1 ax clothing $ 8.00 $ 3.00 $25.00 3 wagon wheels 20 jugs of water lamp oil $21.00 $ 4.00 $ 3.00 The following map shows three possible trails you could take to reach Fort Bridger. Choose the trail you think is the best. Give reasons why you chose that trail over the other two options. Idaho WYOMING Bighorn Mts. You are here Snake River Rocky Mts. Utah Green River = Mountains = Fort Bridger Platte River Laramie Mts. Colorado Trail A KEY Trail B Trail C Shoshone Village Sample Response I chose Trail C because it had fewer obstacles. Trail A has too many mountains to cross, and there are Indians that may or may not be friendly. On trails A & B you have to cross the Platte River twice.That might be hard for the horses and wagons. That’s why I chose Trail C . Idaho WYOMING Bighorn Mts. Snake River Rocky Mts. Utah Laramie Mts. Green River Platte River Colorado Did you guess that water would be in shorter supply Why might water be more expensive at Fort Bridger at Fort Bridger? When a product is desired by than it was back in Nebraska? (Click for answer) many and is also in short supply, the price will be higher.