""Key to Willett's Mental and Practical Arithmetic: Solely Designed for the Use of Teachers"" is a book written by Jacob Willett and published in 1841. This book is a comprehensive guide to mental and practical arithmetic, specifically designed for teachers. It provides a complete set of solutions and explanations for the problems presented in Willett's original textbook. The book covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and more. It also includes a variety of practical exercises and examples, as well as tips and tricks for teaching arithmetic effectively. Overall, ""Key to Willett's Mental and Practical Arithmetic"" is an essential resource for any teacher looking to improve their students' math skills and understanding.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.
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