Adding Integers

Do you know how to add integers?

How do you add integers?

The sum of any integer and its opposite is equal to zero. Summary: Adding two positive integers always yields a positive sum; adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.


1. The temperature at noon on a summer day was 98 degrees. that night the temperature was 87 degrees. How much did the temperature drop?

2. a football team gained 15 yards on a first down. they lost 2 yards on the second down. On the third down they gained 23 yards. the fourth down they lost 7 yards. What was there final yard total when the clock ran out?

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