Across
- 3. Numbers that have different signs but the same numeral
- 4. A numerical factor in a term of an algebraic expression
- 7. To find the value of an expression by replacing each variable with a number
Down
- 1. A mathematical sentence that does not include an equal sign
- 2. A symbol, usually a letter, that can stand for different values
- 5. A mathematical sentence that does include an equal sign
- 6. A quantity that always stays the same
- 8. A number, variable, product, or a quotient in an expression