Is 0 a natural number?

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Prepare for the Praxis Middle School Mathematics Exam with quizzes. Study with flashcards and multiple choice questions. Each question provides hints and detailed explanations. Ensure success on your test!

Multiple Choice

Is 0 a natural number?

Explanation:
The concept being tested is how natural numbers are defined in this context. Natural numbers are the counting numbers used to tell how many objects there are, and in this convention they start at 1. Zero is a whole number and an integer, and it serves as the additive identity, but it is not included in the set of natural numbers here. That’s why zero isn’t considered a natural number in this definition, so the answer is no. It’s good to note that some curricula include zero as a natural number, but this question follows the common convention that natural numbers begin with 1.

The concept being tested is how natural numbers are defined in this context. Natural numbers are the counting numbers used to tell how many objects there are, and in this convention they start at 1. Zero is a whole number and an integer, and it serves as the additive identity, but it is not included in the set of natural numbers here. That’s why zero isn’t considered a natural number in this definition, so the answer is no. It’s good to note that some curricula include zero as a natural number, but this question follows the common convention that natural numbers begin with 1.

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