Across
- 5. a value for a variable that makes an equation true
- 6. to "plug in" a value for a variable in an algebraic expression, then simplify
- 8. a letter or symbol that stands for an unknown number
- 11. a value that can be divided evenly into another, with no remainder
- 14. branch of math that involves using variables for unknown quantities
- 16. an operation that undoes another
- 19. operation in which a number is multiplied by itself a certain number of times
- 20. a number on its own, not being multiplied by a variable
- 21. a math statement containing numbers, variables, and operations, with an = sign
- 22. mathematical terms with the same variable(s) being raised to the same power; can be added or subtracted to each other
- 23. a math statement containing numbers, variables, and operations, with one of these signs: < > ≤ ≥
Down
- 1. math symbol ≤
- 2. the sequence in which we simplify the operations in an expression
- 3. math symbol ≥
- 4. a number being multiplied by a variable
- 7. describes expressions that simplify to the same value
- 9. a math statement containing numbers, variables, and operations; no = sign
- 10. math symbol ≠
- 12. a combination of numbers, variables, or both; separated by + and - signs in an expression
- 13. the ________ property states that a number on the outside of a parenthetical expression must be multiplied by all terms inside
- 15. math symbol <
- 17. math symbol =
- 18. math symbol >