Across
- 2. numbers everything that's real
- 4. too something equal to something
- 8. something that keeps going on
- 9. combine several equations into 1
- 12. something you use in everyday life
- 14. between 2 numbers or letters
- 18. numbers something that is less than
- 19. Value number with sign certain direction
Down
- 1. than something bigger than
- 3. angle less than 90 degrees
- 4. a letter used in equation
- 5. equation with letters
- 6. plane 4 sections on graph
- 7. Numbers something as together
- 10. letters in equation
- 11. equation several ways to solve
- 13. two different expressions
- 15. equation only several ways to solve
- 16. than something lower than
- 17. something with-5, and 0