# The Definition of Math Decimal

Hortense Cousteau - November 30, 2021 - Math Worksheet

In everyday life, we must have often found that exact sciences, especially Mathematics and various other branches of Mathematics are used by humans to help solve a problem. Starting from small and traditional problems to big and modern problems. Like decimal numbers that we often encounter in our activities. A small example that is currently emerging is body temperature related to the Covid-19 pandemic which is related to decimals. Then what is a decimal number, let’s see the explanation.

*Definition of Decimal*

Decimal numbers are numbers that have a special denominator, namely ten, one hundred, one thousand, and so on. Decimal numbers have a characteristic in writing, namely using a comma as a separator between integers and fractional numbers. According to the origin of the formation, decimal numbers are included in the fractional number group, here. To understand the form of decimal numbers, one must be able to determine the value of decimal numbers first.

Decimal numbers have many forms. Below is an example of writing decimal numbers in various forms.

### 1. One Digit After The Comma

Example:

0.3

The number zero is an integer that occupies the unit’s value, while the number three occupies the tenth number.

### 2. Two Digits After The Comma

Example:

1.24

The number one is an integer that occupies the unit’s value, the number two is the tenth number, and the number four is the hundredth number.

### 3. Many Numbers After The Comma

Example:

2.1234

In addition to decimal numbers with one or two digits after the comma, decimal numbers can also contain many numbers after the comma, you know. The number of digits after the comma can be three, four, or even more.

*Conclusion*

A decimal number is a number with a base of 10. A decimal number can also be defined as a number with a denominator of ten (tenths), one hundred (hundredths), one thousand (thousands), and so on.

There are several kinds of rounding decimal numbers, namely rounding to the nearest unit, rounding to the nearest tens, rounding to the nearest hundreds, and so on.

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