Directions: Answer the following questions. Also write at least ten examples of your own.

Q 1: In a desert, one day the temperature was 120° F. In an another desert, a temperature of -45° F was recorded at night. What is the difference between these two temperatures? 165 undefined 75 -75

Q 2: Mt. Helena's highest elevation is 15,800 feet above sea level. The Caspian Sea, the lowest elevation, is 1,020 feet below sea level. What is the difference between these two elevations? 14780 16820 -14780 -16820

Q 3: Rea bought 2 pairs of blue jeans at $30 each. How much money did she pay the clerk? (Hint: Paying the clerk is a negative integer) +60 -60

Q 4: The civilization began in 254 B.C. and ended in 126 B.C. How long did the civilization last? (Hint: Subtract the smaller integer from the larger integer. The smaller integer is farther from zero on the number line!) -380 380 -128 128

Q 5: A submarine was situated 700 feet below sea level. If it ascends 200 feet, what is its new position? +500 f -500 f 900 f -900 f

Q 6: Jane owes a candy store $45. Each of her five friends will help her pay off her debt. How money does each friend get? (Hint: Owing money implies a negative integer) +5 +9 -5 -9

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