Final answer:
When comparing two numbers on the number line, the number to the left is always smaller than the number to the right.
Step-by-step explanation:
When comparing two whole numbers on the number line, the number to the left is always smaller than the number to the right. This can be represented using the symbol <. So, if we have a pair of numbers like 3 and 5, we can say that 3 < 5, indicating that 3 is to the left of 5 on the number line.