Across
- 6. The set of numbers less than zero.
- 8. A counting number from one to infinity; NOT negative.
- 10. The distance of a number from zero on the number line, written as |n|.
- 11. Pairs of numbers whose sum is zero.
Down
- 1. The result of subtraction.
- 2. Two numbers whose sum is 0; opposites.
- 3. A number that can be written as a fraction (p/q) of two integers and q cannot be zero.
- 4. The set of numbers greater than zero.
- 5. A positive number, a negative number or zero but not a fraction or a decimal.
- 7. Two different numbers that have the same absolute value.
- 9. The result of an addition problem.