Across
- 3. a(b+c)= ab + ac
- 7. 0 (two words)
- 9. a(bc)=(ab)c
- 11. the opposite of a (two words)
- 12. if a and b are real numbers, then a+b is also a real number
- 13. if a=b and b=c, then a=c
- 16. numbers which can be expressed as a fraction
- 17. a+b = b+a
Down
- 1. the result of multiplying numbers
- 2. 1 (two words)
- 4. all numbers except for even roots of negative numbers
- 5. the result of dividing numbers
- 6. the result of subtracting numbers
- 8. numbers such as 0,1,2,3,...
- 9. distance from zero on the number line (two words)
- 10. another word for the multiplicative inverse
- 14. a=a
- 15. the result of adding numbers