Loading
In this video, we practice abacus questions based on the Big Friends formula: +2 = +10 − 8. This formula helps students perform addition when direct bead movement is not possible, making calculations faster and more efficient.
You will learn how to apply the formula step by step while solving different questions, which improves both speed and accuracy 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
Copyright @2026 ABACUS Trainer. All Rights Reserved by Deccan Spark Technologies
Advt