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Chapter 4 Vocab Math

Algebraic Expression A combination of individual terms separated by plus or minus signs. Numerical expressions combine numbers and operation symbols; algebraic expressions include variables.
Enlarge To make larger
Equivalent Expressions The same value
Equivalent Fractions The same numerical value
Equivalent Ratios The same numerical value
Evaluate (an expression) To find the numerical value of
Ratio Compares to quantities by division
Reduce To put a fraction in simplest form
Similar Figures Have the same shape but are not necessarily the same size
Substitution Replacing one symbol with a number, a variable, or another algebraic expression of the same value
Variable A letter or a symbol that is a substitute for an unknown number
Vertex (Vertices) For polygon, a vertex is the point at which two line segments meet to form a "corner"
Created by: 326077