Properties of Addition Exercises

Answers

1. commutative

2. associative

3. associative

4. commutative

5. commutative

6. associative

7. associative
   

8. commutative

9. associative

10. associative
    

11. commutative
    

12. commutative
    

13. commutative
    

14. commutative
    

15. associative

16. commutative

17. associative

18. associative