


New Mental Arithmetic is a book written by John B. Gifford and initially published in 1920. The book is a comprehensive guide to mental arithmetic, designed to help students improve their calculation skills and develop their problem-solving abilities. The text covers a wide range...



New Mental Arithmetic is an educational book published in 1920 by John B. Gifford. The book is designed to help students improve their mental arithmetic skills. It contains a variety of exercises and problems that are meant to challenge and engage students, while also helping...