Comparing Positive and Negative Numbers in Real World Situations Using a Number Line

This video tutorial teaches how to compare positive and negative numbers using a number line. It explains the placement of numbers on a number line, addresses common mistakes with negative numbers, and uses real-world examples like thermometer readings and submarine depths to illustrate these concepts. The lesson emphasizes understanding the direction and value of numbers relative to zero.

How do negative numbers relate to positive numbers on a number line?

What is the relationship between the numbers 1 and -6 on a number line?

Explain why the negative sign is important when comparing numbers.

How does a vertical number line help in understanding the relationship between negative numbers?

Describe the relationship between thermometer A at -5 degrees and thermometer B at -2 degrees.

What are the two inequalities that can be made about the thermometer readings?

What can you conclude about the depth of submarine A at 13 1/2 feet below sea level compared to submarine B at 5 feet below sea level?