Across
- 1. Numbers that can be placed on a one-dimensional number line or a two-dimensional plane.
- 3. Two numbers whose product is equal to 1.
- 5. A number that is the same distance from zero as another number but on the opposite side of the number line.
- 7. Natural numbers that include zero, though they do not include negative numbers.
- 11. Numbers that can be expressed as a fraction where the top and bottom numbers are integers and the bottom can not be zero; these include terminating or repeating decimals.
- 12. Numbers that cannot be expressed as a fraction and never terminate or repeat as decimals.
- 13. An abstract idea with both quantity and order, typically represented by a symbol.
- 14. A set that exists within another set.
Down
- 2. A mathematical rule stating that a number can only be less than, equal to, or greater than any other number.
- 4. The specific objects contained within a set.
- 6. Numbers used for counting things in nature {1, 2, 3...}.
- 8. A term referring to our current number system, where "Indo" means India and "Arabic" refers to the language of the Arab people.
- 9. The set of whole numbers and their opposites, including negative numbers {...-3, -2, -1, 0, 1, 2, 3...}.
- 10. A group of objects or symbols.