Across
- 3. To multiply a number outside parentheses by each term inside.
- 5. To keep both sides of an equation equal.
- 7. To make an expression easier to solve or understand.
- 9. An operation that undoes another operation.
- 12. Having the same value.
- 13. The number multiplied by a variable.
- 15. The value that makes an equation true.
Down
- 1. A number that does not change.
- 2. A math phrase with numbers, variables, and operations but no equal sign.
- 4. To replace a variable with a number.
- 6. To put like terms together.
- 8. To get the variable by itself.
- 10. A letter that represents an unknown number.
- 11. A math sentence that shows two expressions are equal.
- 14. To find the value of an expression.