Loading
In this video, we solve abacus questions based on the Big Friends formula: +3 = +10 − 7. This formula is essential when direct addition is not possible, helping learners perform calculations quickly and accurately.
You will learn how to apply the +3 Big Friends formula step by step while solving practical questions. This improves both speed and confidence in abacus calculations.
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
Finger Abacus Explained | Learn Mental Math Techniques
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
Advt
