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Adding and Subtracting Real Numbers


Examples, solutions, videos, worksheets, and activities to help Algebra students how to add and subtract real numbers in real life applications.





 
Adding and subtracting real numbers application
Example:
On a cold winter day in Denver, the morning temperature was 7° Fahrenheit. By noon, it had fallen 9° and by 5pm that afternoon, it fell another 6°. What was the temperature at 5pm?
Adding and subtracting real numbers
Example:
Find 15 + 12 - (-8) + (-15.5) + 3.2



Subtracting real numbers
Example:
Evaluate 3 1/2 - x when x = 5 and x = -5.
Application of addition of real numbers
Example:
At the beginning of the week, Stewart's checking account had a balance of -$15.08. On Monday morning, he deposited a check for $426.90. On Tuesday morning, he deposited another check for $100.00. How much was in Stewart's checking account after the second deposit?


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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