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Computing with Rational Numbers

Computing with Rational Numbers. Review Game. 1. 3. 2. 5. 4. Please select a Team. Dragons Wizards Trolls Knights Dwarves. Calculate -97 + 51. 46 -148 -46 148. 100 points. What is the sum of 537 and its opposite?. 0 1074 -537 -1074. 100 points. Calculate (-18) - 28. -10

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Computing with Rational Numbers

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  1. Computing with Rational Numbers Review Game

  2. 1. 3. 2. 5. 4. Please select a Team. • Dragons • Wizards • Trolls • Knights • Dwarves

  3. Calculate -97 + 51 • 46 • -148 • -46 • 148 100 points

  4. What is the sum of 537 and its opposite? • 0 • 1074 • -537 • -1074 100 points

  5. Calculate (-18) - 28 • -10 • 46 • 10 • -46 200 points

  6. Team Scores

  7. Calculate (-78) – (-64)? • 142 • -14 • -142 • 14 300 points

  8. Evaluate 1/2 + 7/8 • 1 3/8 • 3/8 • 8/10 • 1 400 points

  9. Team Scores

  10. Calculate -8 + -7 • 15 • 1 • -15 • -1 100 points

  11. Participant Scores

  12. Calculate -18 + 9 • 9 • -576 • -8 • -9 200 points

  13. Team Scores

  14. Evaluate 5.3 + 8.4 without using a calculator • 13.7 • -13.7 • -3.1 • 3.1 300 points

  15. Solve 4/5 + 1/6 • 5/11 • 29/30 • 4/6 • 5/6 400 points

  16. Team Scores

  17. What percentage of your current points would you like to wager on the next question? The category is “Fractions and Decimals”. • 0% • 25% • 50% • 75% • 100%

  18. Which of the following decimals is equivalent to 7/8? Use long division to convert. • 0.875 • 0.78 • 1.142857 • 0.875 _______ ___

  19. Team Scores

  20. Forty-two people joined Urban Active in November and 55 people left the gym. Which number sentence describes the change in gym membership for the month of November? • 55 - 42 = 13 • 42 + 13 = 55 • 42 – 55 = -13 • 55 – 13 = 42 300 points

  21. Participant Scores

  22. In Youngstown, Ohio the temperature was -5°F in the morning. If the temperature later that afternoon was 18°F then what is the change in temperature from morning to afternoon? • 18o F • -13o F • 13o F • 23o F 200 points

  23. Determine the sum 1/4 + 2/5 • 3/9 • 3/10 • 3/20 • 13/20 300 points

  24. Team Scores

  25. 3.56 – 1.234 • 2.32 • 2.326 • 2.336 • 4.794 400 points

  26. Robert wrote (5 - 11). Simplify this expression • 16 • -16 • -6 • 6 400 points

  27. Team Scores

  28. Which of the following is an example of the Commutative Property of Multiplication? • 6 * (8 * 3) = (6 * 8) * 3 • n = 1n • 4(3 + 5) = (4 x 3) + (4 x 5) • 7 * 5 = 5 * 7 300 points

  29. Use the Distributive Property to rewrite the following expression: 6 * (8 + 10) • (6 * 8) + (6 * 10) • 6 * 80 • 6 * (10 + 8) • (6 * 8) + 10 400 points

  30. Participant Scores

  31. Team Scores

  32. Final QuestionChoose the percentage of points you would like to wager on the final question. The category is “Calculating with Integers”. • 0% • 25% • 50% • 75% • 100%

  33. Dwayne is playing a trivia game in which a player gets 15 points for a correct response and loses 15 points for an incorrect response. He has answered incorrectly on the first six questions. If the first player to 150 points wins, how many questions in a row will he have to answer correctly to win the game? • 10 • 16 • 12 • 15

  34. Participant Scores

  35. Fastest Responders (in seconds)

  36. Team MVP

  37. Team Scores

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