Adding Integers
(-2) + (-2) = ?
-4
5 - 10 = ?
-5
The temperature of a pool after adding fresh was recorded as 72°F. After two hours with the pool heater turned on, the temperature increased by 13°F. Determine the temperature the of the pool after the two hours.
85°F
(-25) + (+14) = ?
-11
3 - (-5) = ?
8
A cup of hot chocolate cooled to 90°F after sitting on the counter. After being reheated in the microwave, its temperature increased by 18°F. What is the drink’s temperature now?
108°F
-7 + 12 + 9
+14
(-2) - (+4) = ?
-6
A Diver was swimming at a depth of 12 metres below sea level. He then swam 20 metres deeper. What is his new depth relative to sea level?
32 metres below sea level
16 + (-54) + 23 = ?
-15
-20 - (-2) - (-13) = ?
-5
A submarine was positioned 18 metres below sea level. It then descended 25 metres deeper, and after that, it rose 9 metres toward the surface. What is the submarine’s final depth relative to sea level?
The submarine is 34 metres below sea level.