Across
- 2. numbers, variables, and operators
- 3. the answer to a division problem
- 7. the answer to a subtraction problem
- 9. adding 0 or multiply by 1
- 12. says order doesn't matter
- 14. numbers who lie the same distance from zero
- 17. grouping gives the same answer
- 19. number, variable, or combo of 2
- 20. numbers & operators only
- 23. no more work can be completed
- 24. set of all whole numbers and their opposites
Down
- 1. the answer to a multiplication problem
- 2. are any two numbers whose sum is 0
- 4. explains which operations in what order
- 5. operations that undo each other
- 6. numbers you normally count
- 8. number in front of variable
- 10. represented by a letter
- 11. the answer to an addition problem
- 13. a set of expressions separated by an equal sign
- 15. numbers only, no variables
- 16. have the same variable and exponent
- 18. the distance from zero
- 21. substitute a known value for a variable
- 22. any value that makes the equation true