Math Terms

4. scale used on some thermometers to measure temperature; water freezes at 32 degrees and boils at 212 degrees
6. the horizontal number line of a coordinate plane
8. the upper number in an exponential expression; it shows how many times the base is to be used as a factor (also called a power)
11. a product of a counting number and another number (the multiples of 3 include 3, 6, 9, and 12)
12. any one of the numbers added in an addition problem
14. a counting number greater than 1 whose only two factors are the number 1 and itself
16. having the same shape but not necessarily the same size
17. the vertical number line of a coordinate plane
18. a comparison of two numbers by division

1. a pair of numbers used to locate a point on a coordinate plane
2. the number found when the sum of two or more numbers is divided by the number of addends in the sum
3. grid on which a point can be identified by its distances from the x- and y-axes
5. two lines that intersect at right angles
7. a period of 1000 years
9. any four-sided polygon
10. inverting the numerator and denominator of a fraction to make a new fraction; the product of these fractions will be 1
13. a number by which another number is divided
15. distance across the circle through its center