Micah is making a cinnamon and sugar mixture to sprinkle on toast. His recipe uses 18 cup of cinnamon and 12 cup of sugar. Find 18+12 and interpret this sum in the context of the problem.(1 point)
The sum of 18 and 12 is 30. In the context of the problem, this means that Micah's cinnamon and sugar mixture will require a total of 30 cups.
Micah is making a cinnamon and sugar mixture to sprinkle on toast. His recipe uses 1/8 cup of cinnamon and 1/2 cup of sugar. Find 1/8+1/2 and interpret this sum in the context of the problem.(1 point)
The sum of 1/8 and 1/2 is 5/8.
In the context of the problem, this means that Micah's cinnamon and sugar mixture will require a total of 5/8 cup.
Solve the following problem:
It was −3°C this morning, but the temperature has gone up 13° over the course of the day. What is the temperature now?(1 point)
To find the temperature now, you need to add the change in temperature to the initial temperature.
-3°C + 13°C = 10°C
Therefore, the temperature now is 10°C.
Solve the following problem:
Samuel has $58.23 in his bank account. He withdraws $39.78. How much is in his bank account now?(1 point)
To find the amount in Samuel's bank account now, you need to subtract the amount he withdrew from the initial amount in his account.
$58.23 - $39.78 = $18.45
Therefore, there is $18.45 in Samuel's bank account now.
Zuri earned $56.80 at his job last week. They then spent $40 on a video game. 56.80+(−40)=16.80. Interpret this sum in the context of the problem.(1 point)
The sum of $56.80 and (-$40) is $16.80.
In the context of the problem, this means that after earning $56.80 and spending $40 on a video game, Zuri is left with $16.80. This represents the remaining amount of money he has after the transaction.
Applications of Adding Rational Numbers Quick Check
2 of 52 of 5 Items
Question
Which of the following is a real-world problem that could be solved with the sum −22+9?(1 point)
Responses
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?
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?