A Key To Colenso's Arithmetic (1864) is a book written by John Hunter. The book is a guide to help students understand and solve mathematical problems in Colenso's Arithmetic textbook. The book provides detailed explanations and step-by-step solutions to the problems in Colenso's Arithmetic. It covers a wide range of topics, including addition, subtraction, multiplication, and division of whole numbers, fractions, decimals, and percentages. The book...