• 1st Grade Addition and Subtraction to 20
     Help
  • 4 + 4
    8
  • 5 + ___ = 9
    4
  • 12 - 2
    10
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
  • Your experience on this site will be improved by allowing cookies.