IF CORRECT I WILL MARK BRAINLIEST
Adding Rational Numbers Using Properties of Operations
This...
Mathematics, 23.10.2020 03:01 Ree0628
IF CORRECT I WILL MARK BRAINLIEST
Adding Rational Numbers Using Properties of Operations
This activity will help you meet these educational goals:
Mathematical Practices—You will make sense of problems and solve them and use mathematics to model real-world situations.
Directions
Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the end of the activity, write a brief evaluation of your work.
Activity
Raul is performing an experiment. He pours water into a glass and measures the temperature of the water at 72.3°F. Then he adds a few ice cubes to the glass of water. He measures the temperature of the water again and finds that it has changed by -39.1°F.
Complete the steps below to learn more about the temperature change of the water.
Part A
Write an expression that represents the temperature (in degrees Fahrenheit) of the water after Raul added the ice cubes. Write the expression as the sum of two numbers.
Part B
Rewrite the expression in part A by breaking up each of the place values. In this case, the place values are tens, ones, and tenths.
Part C
Next, rearrange the expression in part B using the Commutative Property so the terms with the same place value are next to each other.
Part D
Now group the terms in the expression in part C using the Associative Property.
Part E
Simplify the expression in part D to find the temperature of the water after Raul added the ice cubes. Show your work.
Part F
Several minutes later, Raul decides to measure the water temperature again. He finds that the temperature changed by -0.6°F. What is the temperature of the water now? Show your work.
Self-Evaluation
How did you do? Rate your work on a scale of 1 to 5, with 5 as the highest score. Then write a brief evaluation of your work below. Note what you learned and what challenged you.
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