Calculations with numbers are done with arithmetical operations, the most familiar being addition, subtraction, multiplication, division, and exponentiation. Their study or usage is called arithmetic, a …

NUMBER definition: a numeral or group of numerals. See examples of number used in a sentence.

1. To call off numbers; count: numbering to ten. 2. To have as a total; amount to a number: The applicants numbered in the thousands.

When we use the word number, we refer to specific numbers: … Numbers such as first, second, third are ordinal numbers. We use them to put things in an order. We most commonly use ordinal …

A number can be thought of as a concept or an idea that indicates how many or how much. There are many different classifications or categories of numbers, such as integers, negative numbers, prime …

A number is a word such as `two,' `nine,' or `twelve,' or a symbol such as 1, 3, or 47. You use numbers to say how many things you are referring to or where something comes in a series.

Number is regularly used with plural count nouns (such as people or reasons) which refer to a quantity of individually countable items. while amount is mainly used with mass nouns (such as time or …

Digits are like tiny puzzle pieces that help create numerals. We have ten special symbols called digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. These digits are the building blocks of numerals. For instance, the …

These are all different ways of referring to the same number. There are also special numbers (like π (Pi)) that can't be written exactly, but are still numbers because we know the idea behind them. A …

Number definition: A total; a sum.