Rounding and estimating Upper and Lower Bounds Silent
Rounding and estimating: Upper and Lower Bounds Silent Teacher Narration Your Turn Intelligent Practice 3000 has been rounded to the nearest 1000. a) Calculate the upper bound. Example b) Calculate the lower bound. c) Write down the error interval. For more videos visit mrbartonmaths. com/videos
Worked Example Your Turn 3000 has been rounded to the nearest 1000. a) Calculate the upper bound. 3000 has been rounded to the nearest 100. a) Calculate the upper bound. b) Calculate the lower bound. c) Write the error interval. @mathsmrgordon
Value Rounded to 6000 Nearest 1000 6000 Nearest 100 600 Nearest 10 60 To nearest whole 6 To the nearest whole 6000 To the nearest whole 600 To the nearest whole Lower Bound Upper Bound Error Interval @mathsmrgordon
Value Rounded to Lower Bound Upper Bound Error Interval 6000 Nearest 1000 5500 6500 5500 ≤ x < 6500 6000 Nearest 100 5950 6050 5950 ≤ x < 6050 600 Nearest 100 550 650 550 ≤ x < 650 600 Nearest 10 595 605 595 ≤ x < 605 6000 Nearest 10 5995 6005 5995 ≤ x < 6005 60 Nearest 10 55 65 55 ≤ x < 65 60 To nearest whole 59. 5 60. 5 59. 5 ≤ x < 60. 5 6 To the nearest whole 5. 5 6. 5 5. 5 ≤ x < 6. 5 6000 To the nearest whole 5999. 5 6000. 5 5999. 5 ≤ x < 6000. 5 600 To the nearest whole 599. 5 600. 5 599. 5 ≤ x < 600. 5 @mathsmrgordon
- Slides: 4