Zahllinie
Zahllinie is a term used in mathematics to represent the concept of numbers arranged in a continuous, one-dimensional line. It typically extends infinitely in both positive and negative directions. On a standard number line, zero is placed at the center, with positive integers extending to the right and negative integers extending to the left. Fractions, decimals, and irrational numbers also occupy specific positions along this line, illustrating their value relative to whole numbers. The distance between any two points on the Zahllinie corresponds to the absolute difference between the numbers they represent. Operations such as addition and subtraction can be visualized on the Zahllinie by moving to the right or left, respectively, from a starting number. Multiplication and division have more complex interpretations but are fundamentally rooted in the ordered nature of the Zahllinie. The Zahllinie is a foundational concept in understanding number systems and their properties.