For all Primary, Preparatory, and Lower Secondary School Mathematics Teachers Introducing algebra to young children can be fraught with difficulty, and that is why this short series of books are so important. Written by an experienced and sympathetic expert, this book is designed to develop the initial pre-algebra thinking skills that are needed to be successful in algebra. This book covers: • Collecting like terms • Simple substitution • Finding the mystery number • Solving equations with an unknown on one side and a coefficient of 1 • Solving equations with an unknown on one side and a coefficient greater than 1 • Numbers and powers