All tasks are carefully selected and align with the curriculum for children aged 4 and up. The special number system ensures that children can practice independently. The color and the unique back of the number blocks mean they only fit in the correct place on the practice card. "I Learn to Calculate" includes 15 cards with 83 exercises across 6 different difficulty levels: counting, addition, subtraction, number recognition, number reading, and multiplication. The game is stored in a convenient case, making it ideal for on-the-go use. With "I Learn to Calculate," children can practice at home what they have learned in school or kindergarten.