What Is A Math Expression

2 3 is an expression 3 x 2 is also an expression.

What is a math expression.

Word product indicates that there should be multiplication of these numbers product is a result of. An equation will always use an equivalent operator between two math expressions. The expression 9 8 represents a single number 17 this expression is a numerical expression also called an arithmetic expression the expression 9 x represents a value that can change if x is 2 then the expression 9 x has a value of 11 if x is 6 then the expression has a value of 15. So 9 x is an algebraic expression in the next few examples we will be working solely with.

Though a long ungainly expression and a short elegant one may technically equal the same thing often a math problem isn t considered done until the answer has been reduced to simplest terms. In early grades children are expected to write math expressions using numbers and. Translate verbal sentences into algebraic expressions translate algebraic expressions into phrases. In mathematics an expression or mathematical expression is a finite combination of symbols that is well formed according to rules that depend on the context.

All mathematical expressions contain terms and each term has a coefficient the numerical factor. Math students are often asked to give their answer in the simplest terms in other words to write answers as small as possible. The structure of defining math expression advances in different grades. When we combine numbers and variables in a valid way using operations such as addition subtraction multiplication division exponentiation and other operations and functions as yet unlearned the resulting combination of mathematical symbols is called a mathematical expression.

In mathematics the expression is defined as a phrase that groups together numbers constant letters variables or their combination joined by operators to represent the value of something. A math expression is different from a math equation. Mathematical phrases can be written as verbal sentences you should be able to. A mathematical expression can be as simple as 2 4 or as complex as 4xy 8x 5 x y.

The product of two and three. For example 25 7 64 2 20 5 102.