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Estimating difference

  •  English    12     Public
    Grade 3
  •   Study   Slideshow
  • What is the estimated difference? 86 - 8 = N
    80
  •  15
  • What is the estimated difference? 96 - 34 = N
    70
  •  15
  • What is the estimated difference? 235 - 62 = N
    180
  •  25
  • What is the estimated difference? 382 - 56 = N
    320
  •  20
  • What is the estimated difference? 747 - 382 = N
    300
  •  15
  • What is the estimated difference? 452 - 78 = N
    370
  •  25
  • What is the estimated difference? 2,738 - 62 = N
    2,680
  •  25
  • What is the estimated difference? 7,137 - 2,615 = N
    4,000
  •  15
  • What is the estimated difference? 8,278 - 728 = N
    7,600
  •  25
  • What is the estimated difference? 9,827 - 962 = N
    8,800
  •  25
  • What is the estimated difference? 6815 - 595 = N
    6,200
  •  20
  • What is the estimated difference? 1,278 - 625 = N
    700
  •  25