Irrational

Rational

Integer

Whole

Natural

Irrational

Rational

Integer

Whole

Natural

a+b=ab

a+b+c=b+c+a

a+b=b+a

a+1=a

a+b=b+a

a+(b+c)=(a+b)+c

abc=a(bc)

a+(-1)=-a

1 X 4 = 4

4 + 0 = 4

4 X 0 = 0

-9 + 9 = 0

abc=a(bc)

6 + 0 = 6

ab=ba

6 X 0 = 0