Simplifying+Expressions

To make the Maths easier later, it is important that the expressions are given in their simplest form.
 * Why do we have to simplify expressions?**

We can collect like terms, use index notation for repeated multiplications of like terms, and factorise.
 * What techniques can we use to simplify expressions?**


 * Activity:** Once you have learnt how to simplify, try playing this game to help you practice //saying// a Mathmatical Expression in Everyday English.