These are medium addition flashcards with carrying. These cards use vertical addition adding single digit plus double digit. For example: 37 + 3 = 40. These cards can be used for various games and Math activities. This download comes with 12 cards total. Instructions: Print on card paper (or colored paper). Cut out cards. Fold along dashed line and glue together. One side of these cards will show the addition problem and the other will show the solution. For more info about how to use these resources check out a FREE lesson plan here.