Real Numbers

2. cube The result of a number multiplied by itself three times.
4. Cutting off digits after a certain point without rounding.
6. square root The non-negative square root of a number.
8. operations Operations that undo each other, such as addition and subtraction.
12. root A number that produces a specified number when multiplied by itself.
14. root A number that produces a specified number when cubed.
15. number Any number that can be found on the number line.
17. decimal A decimal that ends or has a finite number of digits.
18. numbers The set of natural numbers including zero.

1. number A number that cannot be written as a fraction of two integers.
3. An example that disproves a statement or proposition.
5. sign The symbol used to denote square roots or n-th roots.
7. Whole numbers and their opposites.
9. decimal A decimal in which one or more digits repeat infinitely.
10. numbers The set of counting numbers starting from 1.
11. square The result of a number multiplied by itself.
13. numbers Numbers that can be written as a fraction.
16. notation A way of representing repeating decimals by placing a line over the digits that repeat.