Math Vocabulary

2. a statement that two quantities are equal
4. a mathematical statement that compares 2 expressions and includes an inequality symbol
6. a bar graph that shows the frequency of data within equal intervals
8. the middle value in a data set ordered from least to greatest or from greatest to least
12. the median of the lower half of data in a data set
13. the set of counting numbers, their opposites, and zero
14. the greatest factor that is common between two or more numbers
15. a plane formed by the intersection of a horizontal number line, the x-axis, and vertical line, the y-axis
16. the difference between the upper and lower quartiles in a data set
18. a phrase that contains numbers and operations
19. a graph that shows the least and greatest values, upper and lower quartiles, and median of a data set

1. a measure of the amount of variability in a data set
3. the sum of the values in a data set divided by the number of values in a data set
5. a measure of the number of square units needed to cover a region
7. the distance of a number from zero on a number line
9. operations that undo each other, such as addition and subtraction or multiplication and division
10. a number that divides evenly into a given number
11. a mathematical statement that combines numbers, operational signs, and variables
17. a data display in which each data item is shown as a dot above a number line