1. Decimal
A number that is written in a system based on multiples of 10. Examples: ,

2. A common decimal you can use to estimate the value of other decimals.
Benchmark Decimal
A common decimal you can use to estimate the value of other decimals.

3. Round
One way to round a number to a given place value is to look at the digit to the right of the place to which you want to round. If the digit to the right is 4 or less, round down. If the digit to the right is 5 or greater, round up.
Examples:
The number 23 rounded to the nearest ten is 20.
The number 2466 rounded to the nearest hundred is 2500.
The number 6.5 rounded to the nearest whole is 7.

4. A decimal quotient with a remainder of 0.
Terminating Decimal
A decimal quotient with a remainder of 0.

5. Repeating Decimal
A decimal with one or more digits that repeat infinitely. It can be represented by placing a bar over the repeating digits.

6. The number or decimal that is being divided into equal groups.
Dividend
The number or decimal that is being divided into equal groups.

7. The number or decimal that divides the dividend.
Divisor
The number or decimal that divides the dividend.

8. Quotient
The result of the division sentence. It can be whole numbers, decimals, or fractions.