Bell Ringer

3. a process of approximating a decimal number by eliminating all decimal places past a certain point without rounding
5. the positive square root of a number
9. one of three equal factors of a number
10. the set of numbers used for counting
12. the set of rational numbers together with irrational numbers
14. pairs of operations that undo each other
16. a number that cannot be expressed as the ratio a/b
17. a number whose square root is a whole number
18. a decimal in which one or more digits repeat

1. one of the equal factors of a number
2. the symbol used to indicate a positive square root
4. numbers that can be written as the ratio of two integers in which the denominator is not zero
6. a number whose cube root is an integer
7. the set of whole numbers and their opposites
8. a decimal where the repeating digit is zero
11. the line or bar over the digits that repeat
13. the set of number used for counting and zero
15. a statement or example that shows a conjecture false