Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root. Check your understanding of the process with this National 5 Maths quiz.

Collecting like terms means to simplify terms in expressions in which the variables are the same. In the expression \(5a + 2b + 3a - 6b\), the terms \(5a\) and \(+ 3a\) are like terms, as are \(2b\) ...

Algebra is more than numbers and letters—it’s the foundation for solving problems in IB maths and beyond. Skills like solving linear equations, simplifying expressions, and factoring give students the ...

In this video, we work through 43 different examples for simplifying radical expressions. We focus on the square roots of numbers and simplify using the rules of exponents and prime factorization.