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, 876 hits)
Verbal expressions - difference (155.5 KiB, 656 hits)
Verbal expressions - product (145.3 KiB, 567 hits)
Verbal expressions - quotient (159.0 KiB, 714 hits)
Verbal expressions - square and cube (96.3 KiB, 868 hits)
Verbal expressions - equations (116.1 KiB, 734 hits)
Algebraic expressions - sum (161.8 KiB, 481 hits)
Algebraic expressions - difference (175.9 KiB, 468 hits)
Algebraic expressions - product (160.1 KiB, 468 hits)
Algebraic expressions - quotient (182.9 KiB, 478 hits)
Algebraic expressions - square and cube (151.5 KiB, 603 hits)