Multiplication on Abacus (2digit by 2digit)

Multiplication on Abacus (2digit by 2digit)

In this video I have taught multiplication 2digit by 2digit. Before this video We have learnt 2 digit by 1 digit multiplication. In multiplication I have used Small & Big Boss Formulas. If you don't know please watch my previous videos. This is very easy way of multiplication. This is helpful for students.