Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable. A variable can change in value. We guess at different values for each letter until our ...

Buying a home for just €1 sounds like a dream. But Money feature writer Brad Young has been investigating the reality. One DIY novice found a padlocked chest with hidden secrets - but another planned ...