multipying
11x5
55
-10\2
-5
The counting numbers and zero
Whole Numbers
-56+24
-32
118-510
-392
34x21
13
9\-5
-1.8
A number that is less than zero; numbers that are opposites of positive numbers
Negative Numbers
1.23+13
14.23
-363-632
-995
1.02x2.10
-5\2
-2.5
Two numbers that are equal distance from zero on a numbe line
Opposites
17.05+5.02
22.07
876-987
-111
12x9
108
-16\-10
1.6
The set of whole numbers and their opposites
Integers
101.04+1.95
102.99
-654-135
-789
12x6
72
17\-8
-2.125
Numbers that can be expressed as one integer divided by another non-zero integer.
Rational Numbers
399.42+23.97
423.39
-975-753
-1728