unit 1: proportional reasoning o eq: what kind of questions can be answered using proportional...
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Unit 1: Proportional Reasoning
OEQ: What kind of questions can be answered using proportional reasoning?
Set up a table in your notes and complete it:
6 melons cost $12. How much does one melon cost?
3 watermelons cost $15. How much does one watermelon cost?
3 apples cost $.99. How much does one apple cost?
Answer: Answer: Answer:
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Check Your Answers with the class:
6 melons cost $12. How much does one melon cost?
3 watermelons cost $15. How 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. How much does one melon cost?
3 watermelons cost $15. How 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
Unit Rate
ORatio 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?OAt 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
OAt 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
OAt 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
OAt 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?