Mental Arithmetic, Quick Calculation, Estimation Tutoring and Practice (First Grade)

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Features: To better cultivate primary school students' abilities in mental arithmetic, quick calculation, clever calculation, rapid calculation, and estimation, and to comprehensively improve their overall quality, we have compiled this series of primary school textbooks "Mental Arithmetic, Quick Calculation, and Estimation Guidance and Practice." This book is closely aligned with the teaching materials of the Beijing Normal University edition of the new curriculum standards, adhering to the principles of the new curriculum standards. It optimally designs question types for the four-operations sections of each textbook, comprehensively and systematically integrating the cultivation of mental arithmetic, clever calculation, rapid calculation, and estimation skills. Typical examples are provided before each type of self-assessment exercise to explain the methods and techniques of quick calculation, clever calculation, and estimation, and answers are given after the self-assessment exercises. This book is an excellent guide for primary school students' mathematics learning, a helpful assistant for primary school teachers, and a valuable reference for parents assisting their children!