Across
- 2. quantity that can change within a problem
- 4. all rational and irrational numbers
- 5. real numbers that are greater than zero
- 6. the relationship between two expressions that are not equal
- 8. can be written as an integer or a fraction of integers
- 10. less than zero and opposite in sign to positives
Down
- 1. natural numbers and their opposites and zero
- 3. a usually formal statement of the equality or equivalence of expressions
- 7. a single number or variable, or numbers and variables multiplied together
- 9. a mathematical phrase that can contain ordinary numbers, variables, and operations
