Numerical Expression
Involves numbers and operations, but no variables.
A numerical expression is a combination of numbers and mathematical operations like addition, subtraction, multiplication, and division, as well as grouping symbols like parentheses, square roots, and exponents. These expressions consist solely of numerical values and mathematical operators, without any variables or algebraic operations.
For example, the expression 4 + 5 x 2 is a numerical expression because it contains only numbers and mathematical operations, with no variables or other algebraic symbols. It can be simplified using the order of operations to give us the result:
4 + 5 x 2 = 4 + 10 = 14
Other examples of numerical expressions include 12 ÷ 3, 7 x (6 – 3), and √16 + 3. These expressions are used in everyday life for calculating values and solving problems, and are an important part of mathematics.
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