When it comes to numbers, the concept of “one hundred less than” is a common phrase used to determine the difference between two numbers. In this case, the number 921 is the starting point, and the result is the number that is one hundred less than it. So, what is one hundred less than 921? The answer is 821.

## Understanding the Concept of “One Hundred Less Than”

In order to understand the concept of “one hundred less than”, it is important to understand the basics of number subtraction. When subtracting from a number, the first step is to identify the number that is being subtracted from. In this case, 921 is the number being subtracted from, and the number being subtracted is one hundred. Therefore, when subtracting one hundred from 921, the result is 821.

## The Process of Subtracting One Hundred From 921

In order to subtract one hundred from 921, one needs to start by writing down the two numbers side by side. The first number is 921 and the second number is one hundred. From here, one can subtract the numbers by counting down from 921. This can be done by counting down in increments of one hundred. For example, 921, 821, 721, etc. After counting down seven increments of one hundred, the result is 821, which is one hundred less than 921.

## Using a Subtraction Chart to Subtract One Hundred From 921

Another way to subtract one hundred from 921 is to use a subtraction chart. To do this, one needs to create a chart with the two numbers side by side. The first number is 921 and the second number is one hundred. From here, one can subtract the numbers by counting down from 921. This can be done by counting down in increments of one hundred. For example, 921, 821, 721, etc. After counting down seven increments of one hundred, the result is 821, which is one hundred less than 921.

In conclusion, the number that is one hundred less than 921 is 821. This can be determined by subtracting one hundred from 921, either through counting down in increments of one hundred or by using a subtraction chart. No matter which method is used, the result will always be 821.

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