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The temperature was −22°F yesterday. Today the temperature is 9°F. How much warmer is it today compared with yesterday?
The temperature was negative 22 degrees F yesterday. Today the temperature is 9 degrees F. How much warmer is it today compared with yesterday?
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?
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?
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 now have?
Quinn is playing a card game with his friends. He had negative 22 points at the start of his turn, but just got 9 points. How many points does he now have?
Layla earned $22 babysitting last weekend. Today she received $9 from her grandmother. How much money does she have all together?
Layla earned $22 babysitting last weekend. Today she received $9 from her grandmother. How much money does she have all together?
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3 answers
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 context requires you to calculate the difference in temperature, which can be expressed as −22 + 9, reflecting how much the temperature has increased from yesterday to today.
Yes, that is correct. The problem about the temperature change from −22°F to 9°F accurately represents the mathematical expression −22 + 9.
In this scenario, you want to find out how much warmer it is today compared to yesterday. The calculation effectively shows the change in temperature:
\[ \text{Change in temperature} = \text{Today's temperature} - \text{Yesterday's temperature} = 9 - (-22) = 9 + 22 = 31°F \]
Thus, the expression −22 + 9 is relevant to determining how much warmer it is today versus yesterday.
