Wentworth and Hill's Exercise Manuals, No. 1: Arithmetic (1886) is a comprehensive guide to arithmetic written by George Albert Wentworth. The book is part of a series of exercise manuals designed to help students improve their mathematical skills. The manual covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and percentages. The book is organized into chapters, each of which focuses on a...