Across
- 4. letter takes place of number
- 6. act of combining set of number's
- 7. process of solving a math problem where the answer is close to real number
- 8. sign that means one side is exactly the sane as other
- 10. have same variable raised to same exponent are
- 11. the answer to subtraction problem
Down
- 1. mathematical rule expressed in symbols
- 2. the mathematical name for x+y=z
- 3. first thing in order of operations
- 5. Number that is being multiplied by variable
- 9. make an expression into it's shortest form