Hey Super Math Kids! Do you want to impress your friends and teachers with your amazing math skills? Imagine solving tricky multiplication problems in your head, without even needing a pencil or paper ...

After duplex numbers, let us learn multiplication by triplex numbers. As the name suggests, numbers like 111, 222, 333 are triplex numbers. The method is similar to that of multiplication by duplex ...

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 ...