Comparing Rational Numbers in the Real World

The video tutorial explains how to analyze temperature data from Mathville over the past 10 years. It guides viewers through identifying the coldest and warmest years by comparing negative temperatures. The coldest year was 2010 with -31 degrees, while the warmest was 2009 with -4 degrees. The tutorial also compares temperatures between 2011 and 2014, concluding that 2014 was warmer. The lesson emphasizes understanding and comparing rational numbers in real-world contexts.

Which year had the coldest recorded temperature in Mathville?

• 2010

• 2009

• 2011

• 2014

How do you determine which temperature is colder?

• By finding the lowest positive number

• By finding the highest positive number

• By finding the number farthest from zero

• By finding the number closest to zero

What is the warmest temperature recorded in Mathville over the past 10 years?

• Negative 31 degrees

• Negative 24 degrees

• 0 degrees

• Negative 4 degrees

Which of the following temperatures is closest to zero?

• Negative 31 degrees

• Negative 24 degrees

• Negative 19 degrees

• Negative 4 degrees

In which year was the lowest recorded temperature warmer, 2011 or 2014?

• Neither

• Both were the same

• 2014

• 2011