Basic Arithmetic

Arithmetic is the most fundamental branch of mathematics. It involves the study of numbers and their operations.

• Numbers: These are symbols used to represent quantities. They can be natural, whole, integers, rational, or irrational.
• Operations: The basic operations are addition, subtraction, multiplication, and division.
  • Addition: Combining numbers to find a total.
  • Subtraction: Finding the difference between two numbers.
  • Multiplication: Repeated addition.
  • Division: Sharing a number into equal parts.
• Order of Operations: The rules for evaluating expressions involving multiple operations. Commonly known as PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction).

Real-world examples: Balancing your checkbook, calculating discounts, measuring ingredients for a recipe.