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Unknown Partner with Addition

  •   Game Code: 1543383
  •  English    12     Public
    Simple addition with a missing addend or "unknown partner"
  •   Study   Slideshow
  • 4 + _ = 6
    2
  •  15
  • _ + 5 = 8
    3
  •  15
  • 6 + _ = 10
    4
  •  15
  • _ + 7 = 9
    2
  •  15
  • _ + 3 = 6
    3
  •  15
  • 4 + _ = 5
    1
  •  15
  • 5 + _ = 9
    4
  •  15
  • 2 + _ = 5
    3
  •  15
  • 5 + _ = 10
    5
  •  15
  • _ + 3 =7
    4
  •  15
  • _ + 3 = 8
    5
  •  15
  • 8 + _ = 10
    2
  •  15
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