1 Monday s low temperature was -6. The high for the day was 11. How many degrees did the temperature rise?

Transcription

1 1 Monday s low temperature was -6. The high for the day was 11. How many degrees did the temperature rise? 2 The temperature for seven days were recorded in degrees Fahrenheit as follows: -5, 10, 3, -6, 7, -2, and 6. List the temperatures from least to greatest. 3 The middle school football team averaged the following yards in the last five games: 70, -40, -60, 80, and -20. How many total yards did the football team gain or lose? 4 Which thermometer shows -12? 5 Which day was the coldest? Daily Temperatures Sunday 0 Monday 3 Tuesday -1 Wednesday -3 6 The temperature was -15 on Monday, -23 on Tuesday, -8 on Wednesday, -19 on Thursday, and -26 on Friday. How much colder was Thursday than Monday?

2 7 At noon, the temperature in an area was four degrees below zero. The weather forecaster warned that throughout the day the temperature would fall at three-degree intervals every hour. What integer would represent the temperature at 6:00 p.m.? 8 Ed measured the low temperature for 4 days outside his school. On Monday, the low temperature was -7. On Tuesday, it was On Wednesday, it was and on Thursday it was Which day was the coldest? 9. On different days, a submarine descends to the following depths: -1,200 ft., -800 ft., ft., -1,465 ft., and -980 ft. How many total feet did the submarine descend below sea level? 10. What is the number represented by the point A on the number line? 11. Randy is watching a football game on TV. On the first play, the offense gained 26 yards. On the next play, the offense gets pushed back 14 yards. What is the total amount of gain or loss on the two plays? 12. What value is point X on the number line?

3 13. On the number line, which point has the smallest value? 14. In November, Dan recorded the temperatures for one week in his hometown of Anchorage, Alaska. Which list below shows the temperatures in ascending order? A. -11, -5, -2, 0, 1, 5, 8 B. 0, 1, -2, -5, 5, 8, -11 C. 8, 5, 1, 0, -2, -5, -11 D. 8, -2, -5, 5, 0, -11, 1 15 In math class, each student is given a card with an integer on it. James received -3, Ted received -5, Stephen received -10, Elenda received -8, and Miguel received -2. The teacher asked them to line up in order from least to greatest. In what order should the students stand? 16. The following temperatures were recorded during a 4-day period in January. On which day was the temperature lower than -3? Day Temperature Monday 5 Tuesday 0 Wednesday -2 Thursday A sheet of paper is placed on a number line so that the left edge of paper touches the line at -4 and the right edge touches at 12. Which point on the number line would divide the paper in half?

4 18. Which thermometer below registers the coldest temperature? 19. On the number line below, what integer does the letter S represent? 20. How many spaces are between -5 and its opposite? 21. A submarine descended from the surface of the ocean at the rate of 100 meters per minute. What was the depth level after 6 minutes?

5 22. On the first down, the Vultures lost 6 yards. On second down, they lost 5 yards. On third down, they lost 8 yards. Use an integer to express their overall change in position as a result of the three plays. 23. A scuba diver dove 18 ft below the surface to observe a school of fish. Then he dove another 24 ft to the bottom. If he started at sea level, what was his elevation when he reached the bottom? 24. The temperature at 10 a.m. was -7. By noon, the temperature had dropped 12. By 2 p.m., it had dropped another 5. What was the temperature at 2 p.m.? 25. Rolex wrote a check for $45. The next day, he wrote a check for $32. Use an integer to express the change in his bank balance when the two checks were cashed. 26 At its first stop a bus picked up 10 people. At the next stop, 8 people got on and 3 people got off. At the third stop, 5 people got on and 12 people got off. How many passengers were then on the bus? 27 A scuba diver was swimming at an elevation of -8 meters. A shark was swimming at an elevation of -29 meters. Find the difference between these two elevations. 28. Gizmo had a balance of $100 in his checking account. One day he wrote checks for $33 and $24. He also made a deposit of $41. What was his new balance? 29. The greatest temperature change ever recorded in a single day occurred in Browning, Montana in The temperature dropped from 44 to -56. What was the change in temperature? 30. The world s tallest mountain, if measured from base to peak, is Mauna Kea in Hawaii. The base has an elevation of -19,680 feet. The peak has an elevation of 13,796 feet. How tall is Mauna Kea? 31. The U.S. navy submarine Trieste II reached a record altitude of kilometers on January 23, A Russian MIG-25 jet reached a record altitude of 36.3 kilometers on July 25, What is the difference in these two altitudes? 32. As a result of erosion, the elevation of the floor of Little Neck Trench has changed from -33 feet to -28 feet. Which statement best explains the change due to erosion? A. The trench has grown deeper because -33 is closer to 0 on a number line than -28. B. The trench has grown shallower because -33 is closer to 0 on a number line than -28. C. The trench has grown deeper because -33 is farther from 0 on a number line than -28. D. The trench has grown shallower because -33 is farther from 0 on a number line than Which statement is true? A. Since -3 is to the left of 2, -3 is greater than 2. B. Since -1 is to the left of 1, -1 is equal to 1. C. Since -2 is to the left of ⅓, -2 is greater than ⅓. D. Since -2 is to the left of -1, -2 is less than -1.