Natural Numbers Study Guide

Natural numbers are a set of numbers that are used for counting and ordering. They are typically defined as the positive integers, not including zero.

Properties of Natural Numbers

• Natural numbers are closed under addition and multiplication.
• They are ordered, meaning one natural number is always greater than another or less than another.
• Natural numbers are not closed under subtraction or division.

Examples of Natural Numbers

The set of natural numbers is denoted by the symbol N. Some examples of natural numbers include: 1, 2, 3, 4, 5, 6, ...

Study Tips

1. Practice counting and identifying natural numbers in everyday situations.
2. Understand the concept of "zero" not being included in the set of natural numbers.
3. Work on addition and multiplication problems involving natural numbers to reinforce their properties.