Core Math Vocabulary Chapter 1

4. equation An equation that contains two or more variables.
5. Two figures are similar if they have the same shape but not necessarily the same size.
7. of an expression The parts of the expression that are added or subtracted.
8. A number that is multiplied by a variable.
11. A mathematical statement that two expressions are equivalent.
12. of operations A process for evaluating expressions: First, perform operations in parentheses or other grouping symbols. Second, simplify powers and roots. Third, perform all multiplication and division from left to right. Fourth, perform all addition and subtraction from left to right.
15. of an equation in one variable A value or values that make the equation true.
16. analysis/dimensional analysis A process that uses rates to convert measurements form one unit to another.

1. A symbol used to represent a quantity that can change.
2. A mathematical phrase that contains operations, numbers, and/or variables.
3. A value that does not change.
6. The level of detail of a measurement, determined by the unit of measure.
8. angles Angles in the same relative position in polygons with an equal number of angles.
9. A literal equation that states a rule for a relationship among quantities.
10. sides of polygon Sides in the same relative position in polygons with an equal number of sides.
13. To find the value of an algebraic expression by substituting a number for each variable and simplifying by using the order of operations.
14. equation in one variable An equation that can be written in the form ax=b where a and b are constants and a is not equal to 0.