Learn the -2 = -10 + 8 Formula with Digital Abacus Practice | Abacus Trainer

Learn the Abacus -2 Subtraction Formula using the technique -2 = -10 + 8 with the Abacus Trainer Digital Abacus Tool. This lesson provides a step-by-step explanation of how to perform subtraction using number complements, along with practical examples and digital abacus exercises.

In this lesson, children will learn how to subtract 2 by subtracting 10 and adding 8. This technique helps students understand number relationships and complements of 10 while performing abacus calculations. By learning the correct bead movements, students can solve subtraction problems more easily and develop confidence in abacus mathematics.