These task cards are designed to allow the kiddos to practice their adding, subtracting, and counting with snap cubes. There are four sets of task cards, each containing 12 question cards and an answer key for each. Total of 48 cards.Some of the addition and subtraction problems will have a number missing while showing the answer to the problem to allow the kiddos to figure out what number will amount to the answer. These task cards now have a digital version which students can play through the