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, 1,779 hits)
Verbal expressions - difference (155.5 KiB, 1,329 hits)
Verbal expressions - product (145.3 KiB, 1,078 hits)
Verbal expressions - quotient (159.0 KiB, 1,468 hits)
Verbal expressions - square and cube (96.3 KiB, 1,690 hits)
Verbal expressions - equations (116.1 KiB, 1,409 hits)
Algebraic expressions - sum (161.8 KiB, 922 hits)
Algebraic expressions - difference (175.9 KiB, 808 hits)
Algebraic expressions - product (160.1 KiB, 881 hits)
Algebraic expressions - quotient (182.9 KiB, 837 hits)
Algebraic expressions - square and cube (151.5 KiB, 1,053 hits)