Numbers

Question 1

Natural or counting

Answer 1

Disincludes 0, only positive

Question 2

Includes 0, positive numbers

Answer 2

Whole

Question 3

Includes 0

Answer 3

Integers

Question 4

Any number that can be expressed as a fraction. Any number whose decimal form either terminates or repeats. Example: any fractions.

Answer 4

Rational

Question 5

Irrational

Answer 5

Not rational (non terminating, non repeating) Example: pi=3.1415926535897932387

Question 6

All rationals and irrationals

Answer 6

Real