Subtraction renaming hundreds to tens monkey game - 3rd-grade subtraction of 3-digit numbers monkey game Do you know what's the similarity between people and numbers? Both us and numbers have different values and amounts. Imagine a family with only three members, we can call them a three-membered family. The same applies to numbers, if there are 3 numbers together like a family, they are called threedigit numbers. These numbers are in the form of the hundreds, the more digits there are, the higher their value. Therefore, in subtracting 3-digit numbers, it is important to know how to use the vertical subtraction method. This method will make it easier for the learners to subtract large numbers from each other. This is also a way for the students to learn more about the functions of numbers in their life. There are many things in which numbers apply to our lives, it is also said to be with us all the time. Thus, knowing how to manipulate these numbers will surely give advantages to people and certain situations. Subtracting mere numbers alone may not prove its significance but it may be a great knowledge for subtracting objects with value such as store products. There are also jobs in the world where subtraction is the main skill in order to perform the job done.