Loading

Free Call + 91 7842 885 885
Email us info@abacustrainer.com
Free Demo

Contact Info

How to Add 9 in Abacus Using Mixed Complements | +9 = +10 + 4 - 5 Trick

In this lesson, we focus on a common challenge in abacus learning: how to add 9 when beads are not available. Instead of struggling with direct addition, we use a smart shortcut called the Mixed Complements Formula.

Formula:
+9 = +10 + 4 - 5

Similar Videos

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

View the previous and next videos
Mixed Complements +8 in Abacus | +8 = +10 + 3 - 5 | Easy Abacus Trick
Abacus –2 Formula Practice | Big Friends Method (–10 + 8) | Easy Digital Learning

Copyright @2026 ABACUS Trainer. All Rights Reserved by Deccan Spark Technologies

Talk to us?

Advt