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Addition within 20

  •   0%
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  • 4 + 8 = ?
    12
  • 15 - 7 = ?
    8
  • 14 - 6 = ?
    8
  • 18 - 9 = ?
    9
  • 2 + 7 + 3 = ?
    12
  • 2 + 9 = ?
    11
  • 7 + 7 =?
    14
  • 15 - 8 + 2 = ?
    9
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