Subtractory is a subtraction game for minuends 17 and 18. The game board is somewhat like Sorry. Our games are designed to play in about 15 minutes, so they are great for learning centers or small group instruction.
When you purchase this game, you will be able to download and print it in full color. Mount the cover with directions and the 2-page gameboard on a letter-size file folder. The fact cards work best if printed on cardstock. Laminate if you wish.