In mathematics, numerical expressions can be said to be combination of numbers using operations like addition, subtraction, multiplication or any other math symbol.
Numerical expression is made up of two words, where numerical represent numbers while expression means phrase.
Numerical expression is formed by joining two or more numbers together, either by using addition, subtraction, division, multiplication or any other mathematical symbol.
Examples of numerical expressions:
8 + 4
10 x 5
18 ÷ 6
60 - 4 + 6