What is the sign?
A deep-sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How deep was the diver 10 minutes ago?-3 + (-12)
50 feet
The weather report suggested that your city’s temperature increased from – 10 degree celsius to 20 degree celsius. What is the rise in temperature?
30 degrees
Two golfers completed one round of golf. The first golfer had a score of +6 and the second golfer had a score of –3. How many more points did the first golfer take?
Two churches are situated 8 m above the sea level and 19 m below the sea level respectively. What is the distance between the levels of two churches?
27 m
While watching a football game, Lin Chow decided to list yardage gained as positive integers and yardage lost as negative integers. After these plays, Lin recorded 14, –7, and 9. What was the net gain or loss?
net gain of 16 yards
In a Math test (+2) marks are given for every correct answer and 1 mark is given for every incorrect answer. Zayn gets only 12 of his answers correct out of 18 questions on the test. What will be his score?
18
A scuba diver swam 96 feet beneath the surface of the lake. He then climbs up 49 feet. What is his depth now?
-47 feet below sea level
The Indus Valley Civilization began in 7000 BC and came to an end in 1900 B.C. How long did it last?
5,100 years
-5 - (-6) - 5
negative
The elevation of Mt. Everest is 29,028 feet. The elevation of the Dead Sea is –485 feet. What is the difference in the elevation between Mt. Everest and the Dead Sea?
29,513 feet
-5 + (-6) + (-5)
-16
Metal Gallium is a liquid at room temperature. Its melting point is about 30°C. The freezing point of water is 0°C. How much warmer is the melting point of Gallium than the freezing point of water?
30 degrees warmer
-5 - (-6) - 5
-4