Across
- 2. answer to multiplication
- 4. a(b+c)=ab+ac
- 6. a+b=b+a or ab=ba
- 8. answer to addition
- 10. -2,-1,0,1,2
- 11. 1,2,3,...
- 12. 0,1,2,...
Down
- 1. answer to division
- 3. answer to subtraction
- 5. order of operations
- 7. rational plus irrational numbers
- 9. mulitplication identity
- 13. addition identity