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Unit 1: Relationships between quantities

Unit 1: Relationships between quantities. Review trivia game. How it works.

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Unit 1: Relationships between quantities

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  1. Unit 1: Relationships between quantities Review trivia game

  2. How it works • Each round will have 3 questions. The topics for the three questions will be listed at the beginning. You will be able to wager 1, 2, and 3 points once each per round. For instance, if you bet 3 points on the first question, you cannot use it again that round. In the 2nd round, points are doubled. In the 3rd round, points are tripled. At the end of three rounds, the team can pick how much to wager for the final question. Winner is whoever ends up with the most points.

  3. Round 1

  4. Round 1: Point values are 1, 2, and 3 • Q1: Choosing appropriate units • Q2: Converting between units • Q3: Writing linear equations

  5. Q1: Choosing appropriate units • You are trying to find the area of a field at the park. If each side is measured in yards, what unit will the area take? Remember, Area = length x width.

  6. Q2: Converting between units • How many years are there in 137 weeks?

  7. Q3: writing linear equations • You are choosing a cell phone plan. AT&T tells you that it will charge you $12 per month plus 5 cents per text. Write an equation that will show you how much you will pay if you send and receive “x” texts per month.

  8. Round 2

  9. Round 2: Point values are 2, 4, and 6 • Q1: Converting between units • Q2: Explaining terms and coefficients • Q3: Solving linear equations

  10. Q1: Converting between units • Juan just ran 2000 yards. How many kilometers did he run?

  11. Q2: Explaining terms and coefficients • You and your friends are going to Mad Mad Whirled to play laser tag and whirlyball. x is the price of a game of laser tag, L is the number of laser tag games played, y is the price of whirlyball, and W is the number of whirlyball games played. • What does xL represent? • What does L + W represent?

  12. Q3: Solving linear equations • The perimeter of a rectangle is 72 inches. If the length of the rectangle is twice the width of the rectangle, what is the length of the rectangle?

  13. Round 3

  14. Round 3: point values are 3, 6, and 9 • Q1: Converting between units • Q2: Solving linear equations • Q3: Solving exponential equations

  15. Q1: Converting between units • If Sharae can run 100 meters in 11 seconds, how fast is she running in miles per hour?

  16. Q2: Solving linear equations • Find 5 consecutive odd integers whose sum is 725.

  17. Q3: Solving exponential equations • The cat population doubles every 2 years. If there are currently 3500 cats in East Cobb, how many cats will there be in 2032?

  18. Final round

  19. Final round: Solving exponential equations • The teacher will now tell you how many points you have earned. You may wager up to that number of points. Please print that number on your sheet and bring it up to her now.

  20. Final Question: Exponential equations • You have to pay taxes when you register your car. The value of the car and the taxes depreciate (decrease) at the same rate. This year you paid $420 in taxes. If your car loses 15% of its value every year, how much will you have to pay in 2017?

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