UNDERSTANDING
WRITTEN EXPRESSIONS,
EQUATIONS, AND
INEQUALITIES
ATI TEAS MATH WRITTEN EXPRESSIONS,
EQUATIONS, AND INEQUALITIES
UNDERSTANDING WRITTEN EXPRESSIONS
An expression is defined as a
mathematical symbol or group of
symbols that represent a value.
Throughout this study guide, we have
seen many different kinds of variables,
operations, and numbers. Each of the
following examples are expressions:
x
6y
6x + 3
, ATI TEAS MATH WRITTEN EXPRESSIONS,
EQUATIONS, AND INEQUALITIES
UNDERSTANDING WRITTEN EXPRESSIONS
Some questions on the ATI TEAS will test
your understanding of translating word
problems into expressions and equations.
You use variables to represent unknown
quantities.
For example:
Twice a number:
2x Half the girls:
1/2g
Three less than the total number: t – 3
ATI TEAS MATH WRITTEN EXPRESSIONS, EQUATIONS,
AND INEQUALITIES
UNDERSTANDING WRITTEN EQUATIONS
An equation is defined as multiple expressions combined with an equal sign.
For example:
x = 100
x + 2= 20
4x(2 – 4) = 20