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Lesson 2 – Proportional Reasoning Outcome: 10 – Preparation Textbook Reference: 1.1. This is the icon for “please add this to your notes”. A rate is a comparison between two numbers with different units. It is similar a ratio but they are distinct terms.
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Lesson 2 – Proportional Reasoning Outcome: 10 – Preparation Textbook Reference: 1.1 This is the icon for “please add this to your notes”.
A rate is a comparison between two numbers with different units. It is similar a ratio but they are distinct terms. • What are some examples of rates? (Hint rates often have the term per in the description)
Math in Sports • At the 2006 Olympic Winter Games in Torino, Cindy Klassen of Winnipeg became the first Canadian athlete to win five medals at a single Winter Olympics. She won gold in the 1500 m speed skating event, silver in the 1000 m, silver in the Team Pursuit, bronze in the 5000 m, and bronze in the 3000 m. Combined with her bronze medal at the 2002 Winter Games, Cindy became the first Canadian to win six Olympic medals.
Cindy finished the 1500 m race in 1:55.27 (115.27 seconds). How would you calculate Cindy’s average speed?
Canadian fresh salmon sells in the United States for $9.99 cents a pound. How much would it could to buy 0.35 lbs. of salmon?
A local plumbing store sells copper-plated pipe straps in bags of 12 for $1.79. If the plumber is going to need 75 pipe straps for a job, how much will these supplies cost him? When the plumber made his purchase the bill came to $12.53. Was he overcharged?
Independent or Table Practice • In your textbooks turn to page 21 and do questions #1-8 in your notebook. • This is practice so that you have the skills necessary for later homework or quizzes.