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10 more, 10 less, 1 more, 1 less

  •  English    10     Public
    mental math practice in 10s and 1s
  •   Study   Slideshow
  • Answer each box
    0, 11, 20, 9
  •  20
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    8, 17, 28, 17
  •  20
  • Answer each box
    16, 27.36.25
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  • Answer each box
    -5.6.15.4
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  • Answer each box
    44.55.64.53
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  • Answer each box
    2,13.22.11
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  • Answer each box
    25.36.45.34
  •  20
  • Answer each box
    30.41.50.39
  •  20
  • Answer each box
    50.61.70.59
  •  20
  • Answer each box
  •  20