This Algebraic Expressions Exercise on Word Problems is perfect for review practice, It can be sent for home or just for an exercise in class. It divided by 3 parts, an easy level 1 called "Brain Starter" and an extra intermediate questions called "Brain Teaser" and a challenging question called "Brain Think Hard". In this Brain Teaser and Brain Think Hard you will find each a question. These questions are for challenging your students understanding and math skills.