Big, bold numbers on these kid flash cards are easy to read, bright colors to keep children interested, and with answers on the back side of every math flash card. Your child can use these flash cards independently or with a buddy. Addition 0-12 contains 110 problems ranging from 0+0 to 12+12. At the top of each card is a small-print answer to the problem on the reverse side of the card. This flashcard set is perfect for home or school and is intended for children ages 6 and up. This set contains 56 cards and is made for children ages 6 and up. Do speed drills, play games, change it up! This is a set of flash cards kids are sure to enjoy.