Across
- 1. mathematical sentence that uses an equal sign
- 3. a symbol, usually a letter, that represents one or more numbers
- 5. parentheses, brackets, fraction bars, and absolute values
- 6. ... -3, -2, -1, 0, 1, 2, 3...
- 7. a verb meaning to substitute a given number for each variable
- 8. numbers, the set of rational and irrational numbers
- 10. numbers that cannot be expressed in the form a/b where a and b are integers and b does not equal zero
- 12. 0, 1, 2, 3...
- 13. a verb meaning to replace something with its simplest name
- 14. 1, 2, 3...
Down
- 2. an equation that contains one or more variables
- 4. both the base and exponent
- 9. mathematical phrase that can include numbers, variables, and operation symbols
- 11. any number you can write as a/b where a and b are integers and b does not equal zero