Game Preview

add and subtract

  • Game Code: 2930767
  •  English    10     Public
    you can add and subtract tens
  •   Study   Slideshow
  • 50+20
    70
  •  5
  • 30+20
    50
  •  5
  • 90-50
    40
  •  5
  • 20-20
    0
  •  5
  • 60-30
    30
  •  5
  • 50+30
    80
  •  5
  • 10+10
    20
  •  5
  • 30-20
    10
  •  5
  • 50+10
    60
  •  5
  • 40+40
    80
  •  5
    • Your experience on this site will be improved by allowing cookies.