Loading
In this video, you will learn the -1 formula in abacus, also known as the +4 - 5 formula, a key technique used for quick and efficient subtraction. This method is especially useful when direct subtraction is not possible, helping children solve problems in a smarter way.
The minus one formula in abacus is part of the small friends subtraction method, which simplifies calculations by breaking numbers into easy steps. This makes it easier for kids to understand and apply the concept accurately.
Start Your Own Abacus Training Centre Today l Abacus Trainer
What Is Abacus? Learn Basics of Maths & Mental Calculation for Kids | AbacusTrainer
Brief Introduction About Abacus Tool | What Is Abacus? Learn Basics | AbacusTrainer
Top Benefits of Learning Abacus for Kids | Boost Brain Power
Abacus Trainer brings 4+ years of expertise in Abacus and Vedic Maths, trusted by 5,000+ students and teachers. We offer online courses for children, school programs, competition conductor, teacher training, franchise support, and worksheet subscriptions, providing end-to-end solutions for both learning and teaching.
Copyright @2026 ABACUS Trainer. All Rights Reserved by Deccan Spark Technologies
