Range is defined as the difference between the highest and the lowest. Difference means subtraction.
119-(-54)= ______________
119+54 = _________
If you have trouble with subtracting integers think of a thermometer. 119 is 119 degrees above zero. -54 is 54 degrees below zero. To find the difference between the two marks on a thermometer you would add 119 and 54.
The lowes temperature ever recorded in the state of Oregon was -54F (in Seneca, on February 10,1933). The state's record high temperature occured in Pendleton on August 10,1898, when it reached 119F. What is the historical temperature range in th state of Oregon?
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