Math Vocab.

5. A number that can be expressed as a ratio p/q where p and q are integers.
6. A comparison of two quantities or measures.
7. The set of whole numbers and their opposites.
9. The distance around a circle (its perimeter).
10. The measure of the two-dimensional region enclosed by a geometric figure.
11. The value or values that occur most frequently in a data set.
12. The average of a set of numerical data.
13. A ratio that compares two quantities measured in different units.
14. A number between 0 and 1 that expresses the likelihood of a chance event occurring.
16. A number multiplied by a variable in an algebraic term.
18. A mathematical statement that uses an equals sign (=) to show two expressions are equal.

1. The distance of a number from 0 on the number line.
2. A symbol, usually a letter, that represents an unknown number.
3. The measure of the three-dimensional space occupied by a solid object.
4. A rate per 100, expressed by the symbol %.
8. A line segment that passes through the center of a circle.
12. The middle value in a data set when the values are arranged in numerical order.
14. An equation stating that two ratios are equivalent.
15. One of the two perpendicular lines used to define the position of points in a coordinate system.
17. A mathematical statement showing that two expressions are not equal (using <, >, or =).