Identify the set to which each of the following numbers belongs by marking an “X” in the appropriate boxes.

Number
Natural Numbers
Whole Numbers
Integers
Rational Numbers
Irrational Numbers
Real Numbers
1

2
-2

3

4
0

Number

Natural Numbers
Whole Numbers
Integers
Rational Numbers
Irrational Numbers
Real Numbers
1
X
X
X
X
-
X
2
X
X
X
X
-
X
-2
-
X
X
X
-
X
3
X
X
X
X
-
X
4
X
X
X
X
-
X
0
X
X
X
X
-
X