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Integer Review

Integer Review. Matt is playing a game. He gains 7 points, loses 10 points, gains 12 points, and then loses 8 points. What is his final score?. Answer: 1 point. What is the solution? -19 + (-21). Answer: -40. An airplane at 20,000 ft. drops 2,500 ft. in altitude. What is the new altitude?.

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Integer Review

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  1. Integer Review

  2. Matt is playing a game. He gains 7 points, loses 10 points, gains 12 points, and then loses 8 points. What is his final score? Answer: 1 point

  3. What is the solution?-19 + (-21) Answer: -40

  4. An airplane at 20,000 ft. drops 2,500 ft. in altitude. What is the new altitude? Answer: 17,500 feet

  5. Jordan borrowed $189 from her parents to buy an electric bass. She paid back $56 last week and $64 this week. How much does Jordan still owe her parents? Answer: $69

  6. Answer: -15

  7. What integer subtraction problem is modeled by the number line?

  8. What integer subtraction problem is modeled by the number line?

  9. The record high temperature in NC is 110 degrees. The record low is -34 degrees. What is the difference in these temperatures? Answer: 144 degrees

  10. Answer: -9

  11. Answer: -20

  12. What integer multiplication problem is modeled by the number line? Answer: (2)(4)

  13. A small company lost $500 in January. If it continues to each month for 4 months, what will the company’s total loss after 4 months? Answer: $2,000 loss

  14. A submarine is at -235 meters. It dives to a depth 8 times its original depth. To what depth does the submarine dive? Answer: -1,880 meters

  15. Find the product:(-3)(6)(-8) Answer: 144

  16. Answer: -15

  17. Answer: 12

  18. Answer: 6

  19. As Randy swam underwater, his elevation changed uniformly for 4 minutes. Altogether it changed -20 feet. What was the change in elevation during each minute? Answer: -5 feet

  20. The temperature at 4:00 a.m. was 58 degrees. At 10:00 a.m. the temperature was 64 degrees. How much did it change per hour? Answer: 1 degree

  21. When you divide two positive integers, the result will be a ___________ number. Answer: positive

  22. A 165 foot ship was sunk off an island in Hawaii to make an artificial reef. It is located 90 feet below the ocean’s surface. If the elevation at the ocean’s surface is 0, which integer best represents the elevation of the ship? Answer: -90

  23. Answer: B

  24. A man bought a scooter for $100 and sold it for $120. Later he bought it back for $140 and sold it again for $160. How much did he make or lose as a scooter salesman? Answer: He made $40

  25. Answer: 13

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