Do you know how to add integers?
How do you add integers?
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?