subtraction grade 1 (WB)This workbook will review counting and writing to 120 and early addition facts before helping children learn how to subtract one-digit numbers from one-digit numbers. The advanced portion of this book will introduce children to subtracting using multiple-digit numbers. Kumon workbooks are based on the "Kumon Method", an educational philosophy that aims at unlocking the full learning potential of each individual child. The Kumon Method introduces learning concepts in an incremental, step-by-step approach, allowing children to master new skills easily and without anxiety or frustration. As a result, children gain confidence in their abilities and are motivated to learn on their own.