Constant - GCSE Maths Definition

In GCSE Maths, a "constant" is a fixed value that does not change. Unlike variables, which can represent different numbers, a constant maintains the same value throughout a mathematical equation or expression. Constants can be numbers like 5 or -3, or specific mathematical constants like π (pi), which is approximately 3.14159. In equations, constants are often used alongside variables to describe real-world relationships and can help simplify expressions during solving. Understanding constants is crucial for solving equations, working with algebraic expressions, and exploring sequences and series.