1. Integer: Integers are whole numbers (positive, negative, or zero). From your list, these are the integers: ● -2 ● -9 ● -11 ● 5 ● 23 ● 0 ● 4 ● 13 2. Negative Decimal: These are decimals that are less than zero: ● -15.8 ● -5.7 3. Odd Whole Number: Whole numbers that are not divisible by 2: ● -9 ● -11 ● 5 ● 13 4. Positive Fraction: Fractions that represent a value greater than zero: ● 11/8 ● 5/6 ● 1/4 5. Not Whole Number: These include decimals and fractions: ● -15.8 ● -5.7 ● 8.01 ● 11/8 ● 5/6 ● -13/2 ● -2/7 ● 2.4 ● 1/4 ● 2.1