The learning card: Subtraction in the number range up to 20 provides you with immediately usable material that allows your students to train the important skill of subtraction in a motivated and competent manner. It offers a wealth of various engaging tasks with which students in heterogeneous learning groups can practice, reinforce, and review subtraction in the number range up to 20. Students are gradually introduced to more complex tasks through calculations in the number range up to 5, 10, 15, and 20 - with and without borrowing. Additionally, this learning card is differentiated in three levels, making it ideal for inclusive teaching. The practice of calculating with money is also covered extensively. While visual aids and repetitions are emphasized at the lowest level, the tasks at the highest level present challenging challenges.