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Addition and subtraction review

  • Game Code: 892024
  •  English    21     Public
    Gat a ruler and use it as a number line to help you solve addition and subtraction problems less than 30
  •   Study   Slideshow
  • 12+3=?
    15
  •  20
  • 20-5=?
    15
  •  15
  • 6+6=?
    12
  •  15
  • 10-5=?
    5
  •  15
  • 25-5=?
    20
  •  20
  • 19+1=?
    20
  •  15
  • 30-10=?
    20
  •  15
  • 7+3=?
    10
  •  10
  • 17+3=?
    20
  •  20
  • 4-4=?
    0
  •  10
  • 10+10=?
    20
  •  10
  • 18-4=?
    14
  •  15
  • 30-30=?
    0
  •  15
  • 23-3=?
    20
  •  15
  • 7+7=?
    14
  •  15
  • 14-7=?
    7
  •  15
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