Across
- 4. Expressions that are equal to each other for any values of their variables
- 9. The answer to an subtraction problem
- 11. A number multiplied by another number to find a product
- 12. A letter or symbol that stands for an unknown number or numbers
- 13. The answer to a multiplication problem
- 14. The number results from dividing
- 15. A number that shows how many times the base is used as a factor
Down
- 1. A number that is multiplied by a variable
- 2. Expressions that have the same variable with the same exponent
- 3. A number used as a repeated factor
- 5. An expression that includes at least one variable
- 6. A mathematical phrase that uses only numbers and operation signs
- 7. The answer to an addition problem
- 8. A set of rules which gives the order in which calculations are done in an expression
- 10. The parts of an expression that are separated by an addition or subtraction sign