Unit 4 – Proportional Reasoning
Textbook: Springboard Course 2 Name:
Date:
Period: Section: 8-1, 8-2
Questions/Main
Ideas/Vocabulary Notes/Answers/Definitions/Examples
Guided practice:
1. The Panthers played 15 games this season. They won 13 games. What is the ratio of games won to games played? (Use all three forms)
2. Kelsey has been reading Hunger Games for class. She read 15 chapters in 3 days. What is the rate of chapters read to the number of days she read? Write your ratio in the simplest form.
Determine if each ratio is proportionate by cross-multiplying. Show ALL your work.
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Solve each proportion. Cross multiply, then solve for the variable.
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A package of tickets for 4 home games costs $180. What proportion can you write to find what a 12-game package costs if all individual tickets have the same price?
***Hint: Highlight the units, label your ratios, and cross-multiply to solve
for the variable.
_____________ =______________
Carla’s team won 3 of its 5 games. Elena’s team won games at the same rate and won 12 games. How many games did Elena’s team play?
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In 2002, Takaru Kobyashi ate 50 hot dogs in 12 minutes! At that rate, and assuming that he wouldn’t explode, how many dogs could Takaru eat in an hour?
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