An expression is a term in mathematics that describes a group of variables, numbers and operators. Operators include division, multiplication, addition and subtraction. Variables in expression are usually denoted as x and y, but it can be and other symbol.
The expressions can be written as verbal phrase or algebraic expression. Here are some examples of algebraic expressions:
This algebraic expressions can be also written in verbal phrase:
1. A number x increased by 3.
2. A fourth of a number y.
3. 21 decreased by a number x.
4. 8 decreased by 2.
Note that an expression doesn’t need to include a variable to be an expression. Expressions are used to define equations. Two expressions that are equal represent an equation. Try to solve some examples.
Verbal phrases in algebraic expressions worksheets
Verbal expressions - sum (146.5 KiB, 1,559 hits)
Verbal expressions - difference (155.5 KiB, 1,166 hits)
Verbal expressions - product (145.3 KiB, 958 hits)
Verbal expressions - quotient (159.0 KiB, 1,272 hits)
Verbal expressions - square and cube (96.3 KiB, 1,479 hits)
Verbal expressions - equations (116.1 KiB, 1,252 hits)
Algebraic expressions - sum (161.8 KiB, 813 hits)
Algebraic expressions - difference (175.9 KiB, 715 hits)
Algebraic expressions - product (160.1 KiB, 740 hits)
Algebraic expressions - quotient (182.9 KiB, 740 hits)
Algebraic expressions - square and cube (151.5 KiB, 915 hits)