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Unit 3 - Math Review

  •  English    25     Public
    Telling time, place value, rounding, estimating, multi-digit addition & subtraction.
  •   Study   Slideshow
  • What is a reasonable estimate for the sum of 197 and 123?
    300 or 320
  •  15
  • What is a reasonable estimate for the sum of 142 and 156?
    300
  •  20
  • What is a reasonable estimate for the difference between 451 and 273?
    200 or 180
  •  20
  • What are 2 equations you could write for the distance between 231 and 119?
    119 + ? = 231 OR 231-119 = ? OR 231 - ? = 119
  •  15
  • What is the value of 21 tens?
    210
  •  15
  • What is the distance between 71 and 110?
    39
  •  15
  • What pairs with 25 to make 100?
    75
  •  10
  • What pairs with 40 to make 100?
    60
  •  5
  • What pairs with 35 to make 100?
    65
  •  10