Description
“Ultimate Maths Shortcut Book – From Basic to Speed Calculation Mastery” by EduSphere Academy is a comprehensive and student-friendly guide designed to build strong mathematical foundations while enhancing speed and accuracy for competitive exams.
The book begins with the Number System, covering essential concepts such as natural numbers, integers, rational and irrational numbers, primes, and important mathematical formulas. It then introduces divisibility rules, providing quick and effective shortcuts to solve problems without lengthy calculations.
A major focus of the book is on speed calculation techniques, including powerful multiplication tricks like multiplying with series of 1s and 9s, the “one more than before” trick, and the efficient criss-cross multiplication method for faster problem-solving.
The book further explores squares and squaring tricks, teaching methods such as identity formulas, squaring numbers near 50 and 100, and special shortcuts for numbers ending in 5. It also highlights fascinating patterns in squares of repeated digits, making calculations intuitive and easy to remember.
Advanced sections cover square roots and cube roots, including prime factorization and unit digit tricks for quick mental calculations. The Digital Sum Method (Rule of 9) is explained in detail to help students verify answers instantly in operations like addition, subtraction, multiplication, and division.
Additionally, the book includes important concepts of Surds and Indices, along with their laws and applications, making it suitable for both school-level learning and competitive exam preparation.
To reinforce learning, the book provides a wide range of practice questions and MCQs with answers, allowing students to test their understanding and improve problem-solving speed.
🎯 Overall Value
This book is a complete toolkit for mastering mathematics—from basic concepts to advanced shortcut techniques—making it ideal for:
- Students preparing for competitive exams
- Learners aiming to improve calculation speed
- Anyone who wants to strengthen their mathematical skills
With its clear explanations, step-by-step methods, and practical tricks, this book transforms complex calculations into simple and quick solutions.
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