Wentworth and Hill's Exercise Manuals, No. 1: Arithmetic (1886) is a comprehensive guide to arithmetic written by George Albert Wentworth. This book is part of a series of exercise manuals that were designed to help students improve their mathematical skills. The book covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and percentages. It is written in a clear and concise manner, making it...