Across
- 1. a usually formal statement of the equality or equivalence of expressions
- 5. a single number or variable, or numbers and variables multiplied together
- 6. the relationship between two expressions that are not equal
- 8. less than zero and opposite in sign to positives
- 10. a mathematical phrase that can contain ordinary numbers, variables, and operations
Down
- 2. another name for the additive inverse of a number
- 3. quantity that can change within a problem
- 4. an operation that undoes the effect of another operation
- 7. natural numbers and their opposites and zero
- 9. real numbers that are greater than zero