It can be seen that while children are learning the abilities of addition and multiplication they are capable of developing common conceptual errors and according to many studies it have been observed that the children who are in and out of the school had constructed methods by themselves to solve the multi digit numbers without clear instructions in particular procedure. But it was also assumed by using these imaginary strategies they are capable of playing a major role in solving problems. This usually begins when they gain the knowledge about the base-ten numbers, where they ...