False. Every whole number is an integer but only some integers are whole numbers.
Work Step by Step
The set of whole numbers includes 0 and natural numbers. The set of integers includes the negatives of natural numbers and whole numbers. An example of an integer not being a whole number is -5. -5 is an integer since it is a negative of a natural number but it is not a whole number because it is not 0 or a natural number. An example of a whole number being an integer is 8. 8 is a natural number and the set of whole numbers and integers includes natural numbers.