Hello children, in an earlier column we learned how to multiply the numbers from 12 to 20 by 9. Now we shall learn a general method to multiply any two-digit number (11 to 99) by 9. Step 2: Subtract ...

We know the normal method to multiply any two numbers using our tables. But is it necessary to stick to the same method always? Not at all. Just by looking at the numbers we must try to multiply them ...