Across
- 3. a+0=a
- 5. average
- 7. has 1 term
- 8. a=b b=a
- 9. number of terms are in a problem
- 10. has 3 r more terms
- 11. in the middle
- 12. how far apart objects or points are
- 13. are separated by + or − signs, or sometimes by divide.
Down
- 1. has 2 terms
- 2. high number minus the low number
- 4. has 3 terms
- 5. appears most often
- 6. (a+b)+c=a+(b+c)
- 7. middle number-must arrange data in order