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Unit 1: Proportional Reasoning O EQ: What kind of questions can be answered using proportional reasoning? Set up a table in your notes and complete it: 6 melons cost $12. 3 watermelons How much does cost $15. How one melon cost? much does one watermelon cost? 3 apples cost $.99. How much does one apple cost? Answer: Answer: Answer: Show work Show work Show work Check Your Answers with the class: 6 melons cost $12. 3 watermelons How much does cost $15. How one melon cost? much does one watermelon cost? 3 apples cost $.99. How much does one apple cost? Answer: $2 per melon Answer: $5 per watermelon Answer: $0.33 per apple Various methods Various methods Various methods Look at the last row, what is that called? 6 melons cost $12. 3 watermelons How much does cost $15. How one melon cost? much does one watermelon cost? 3 apples cost $.99. How much does one apple cost? Answer: $2 per melon Answer: $5 per watermelon Answer: $0.33 per apple $𝟐 𝟏 𝒎𝒆𝒍𝒐𝒏 $𝟓 𝟏 𝒘𝒂𝒕𝒆𝒓𝒎𝒆𝒍𝒐𝒏 $𝟎. 𝟑𝟑 𝟏 𝒂𝒑𝒑𝒍𝒆 Unit Rate O Ratio in which the second term or denominator is, 1. Using Pictures to Find Unit Rates How are you going to draw a picture to find the unit rate? O At Ralph’s fruit stand you can buy 3 apples for $0.90. How much will you pay for 1 apple? What did you draw? Draw a Picture to Find the Unit Rate O At Ralph’s fruit stand you can buy 4 oranges for $0.90. How much will you pay for 1 orange? What did you draw? Draw a Picture to Find the Unit Rate O At a bank in England 3 U.S. dollars can be exchanged for 2 British pounds. How many British pounds will you receive for 1 U.S. dollar? What did you draw? Draw a Picture to Find the Unit Rate O At a bank in England 3 U.S. dollars can be exchanged for 2 British pounds. How many U.S. dollars will you receive for 1 British pound? What did you draw? In your Learning Log Spiral, answer the following question in a complete sentence: How are unit rates represented in the real world?