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- Adding and Subtracting Integers

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

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In this section, we will apply our knowledge of integer addition and subtraction to solve word problems. We perform integer operations in our daily lives, whether we are calculating how much money we spent at the store or figuring out how many minutes we have left before our bus arrives. Negative integers represent decreasing values or downward movements and positive integers represent increasing values or upward movements. We encounter negative and positive integers all around us. For example, we deal with these integers when talking about temperature, altitude, money and even hockey scores!

Related concepts: Adding and subtracting decimals, Order of operations (PEMDAS), Adding fractions with like denominators, Subtracting fractions with like denominators ,

- 1.The melting point of dry ice is -109.4 degrees Fahrenheit. The boiling point of dry ice is - 109.3 degrees Fahrenheit. How many degrees is the boiling point above the melting point?
- 2.The lowest point in Africa is Lake Assal, located at 156 meters below sea level. The lowest point in North America is Death Valley, located at 86 meters below sea level. Calculate the difference in depth between Lake Assal and Death Valley.
- 3.A rocket countdown is at -11 s. In how many seconds will the rocket be 22 seconds into the flight?

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