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 \(2b\) ...

This nine-lesson simplifying expressions PowerPoint takes students from the most basic simplifying up through substitution and proof of formulae.

CA Algebra I: Simplifying Expressions Topics Salman Khan, Khan Academy Item Size 23.7M 8-13, simplifying expressions and word problems ...

Working with multi-variable expressions is a key concept in algebra that involves manipulating expressions containing two or more variables. This video offers a detailed guide on understanding and ...