Multiply by ZeroZero is a special case and means "no quantity". It is because zero is no quantity that when you are multiplying any number by zero the answer is always zero no matter how big a number is used. This makes it very easy to multiply by zero because the answer is always the same.

The Rule For Multiplying By Zero

  1. Zero times any number is always zero
Some examples just to demonstrate the point. Multiplying by zero is always one step, just write down the zero.Multiplying by Zero

This brings us to the end of the Trachtenberg Basic multiplication. This system has successfully been taught to young children, who do not yet know their times tables, as well as to adults.