Arithmetic is a branch of mathematics that deals with the basic operations of numbers. These operations include addition, subtraction, multiplication, and division. Arithmetic is essential for everyday tasks, such as calculating expenses, measuring ingredients in cooking, and determining time. It forms the foundation for more advanced mathematical concepts. In arithmetic, numbers can be whole numbers, fractions, or decimals. The rules of arithmetic help us solve problems and understand relationships between quantities. For example, using addition to combine numbers or subtraction to find the difference between them. Mastering arithmetic is crucial for success in various fields, including science, engineering, and finance.