Math 6

Question Analysis
This question involves the most basic definition of natural numbers.
The main focus is to check if students can distinguish natural numbers from other types of numbers like negative numbers, zero, and decimals.

Key Concept Explanation
Natural numbers are positive integers starting from 1, used for counting.
They do not include negative values, zero, or non - integer values such as fractions and decimals.

Step-by-Step Solution
Option A, -3, is a negative number, so it is not a natural number.
Option B, 0, is not part of the natural numbers set; natural numbers start from 1.
Option D, 0.5, is a decimal number, not an integer, so it is not a natural number.
Option C, 1, fits the definition o...