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Addition within 20

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  • 6+3
    9
  • 2+6
    8
  • 5+7
    12
  • 3+8
    11
  • 3+7
    10
  • 5+4
    9
  • 4+2
    6
  • 9+3
    12
  • 1+10
    11
  • 4+6
    10
  • 7+2
    9
  • 4+6
    10
  • 3+3
    6
  • 4+7
    11
  • 6+9
    15
  • 7+7
    14
  • What number is this?
    Ten
  • What number is this?
    Twelve
  • 2+3
    5
  • 8+4
    12
  • 1+9
    10
  • 5+7
    12
  • 9+9
    18
  • 5+5
    10
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