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In this series of resource books for teachers, the introduction to algebra is a classic approach of developing the child's thinking from what Piaget called a concrete -operational stage to a pre-conceptual and then conceptual stage in thinking. The book is published with a CD of the worksheets to enable teachers to print them out and use them in class. This book concentrates on patterns in tables and encourages the children to start to look for what is the 'same' in their patterns. They will start to think algebraically and have fun developing their number work.