Which of the following is a real-world problem that could be solved with the sum -22+9?

Question

Layla earned $22 babysitting last weekend. Today she received $9 from her grandmother. How much does she have all together?

The temperature was -22 °F yesterday. Today the temperature is 9°F. How much warmer is it today compared with yesterday?
Quinn is playing a card game with his friends. He had -22 points at the start of his turn,but just got 9 points. How many points does he have?

A scuba diver is 22 feet below sea level. Their friend is standing on a diving board 9 feet above sea level. What is the vertical distance between the scuba diver and their friend?

Answer 1

The real-world problem that could be solved with the sum -22 + 9 is:

"The temperature was -22 °F yesterday. Today the temperature is 9°F. How much warmer is it today compared with yesterday?"

This scenario uses the concept of temperature, where -22 represents a temperature below freezing, and a positive temperature of 9°F indicates a warmer day. The calculation can determine the difference in temperature.

While the other options also involve scenarios that can be solved with addition and subtraction of positive and negative numbers, the temperature comparison is the clearest representation of the situation described by the equation -22 + 9.