MATH 1.1 Review
Find the absolute value.
|-7|
7
-5 + (-3)
-8
4 - 12
-8
Resources that come from the Earth, without being altered by humans, and that are used by humans such as water, petroleum, coal, minerals, plants, and animals. What are these called?
Natural resources
True or false: Fossil fuels are created when sludge forms at the bottom of a body of water.
False; Fossil fuels are created when living things die and are covered by layers of rock and debris over millions of years, applying pressure and squeezing the remains of plants and animals into a liquid substance.
Order from LEAST to GREATEST
|5|, -1, 8, |-1|, |4|, -13
-13, -1, 1, 4, 5, 8
8 + (-5) + (-12)
-9
-6 + 15 - (-15)
24
Resources that are used more quickly than they can form are known as...
Nonrenewable resources
True or false: Fossil fuels are typically easily accessible.
False
-|56|
-56
-11 + (18) + (-12)
-5
8 - 12 - (-6)
2
Resources that are replaceable in a short time in comparison to how often they are used are known as...
Renewable resources
What fossil fuels are created from the remains of marine plants and animals?
Oil and natural gas
Write an integer whose absolute value is greater than itself.
*ANY negative number*
Example: |-6|
It will be –12 degrees tonight. The weatherman predicts it will be 25º warmer by noon tomorrow. What will the temperature be by noon tomorrow?
13 degrees
t - (-14) = -24
t = -38
Earth's system that provides water to drink and sources of water is called the...
Hydrosphere
What fossil fuels are created from the remains of swamp plants?
Coal
There is one integer for which another integer does not exist with the same absolute value. What is that integer?
0
An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors.
Write an expression to solve, using addition only.
20 + (-11) + 5 = 14
The top of a sailboat mast is 22 feet above the water surface. The bottom of the sailboat is 3 feet below the water surface. What is the difference in the elevations?
22 - (-3) = 25 feet
Earth's system that is responsible for life on Earth and the food we eat is called the...
Biosphere
What two forces help form fossil fuels over time?
Heat and pressure
SURPRISE: How many continents are there?? How many oceans are there?? You must answer BOTH.
There are 7 continents and 5 oceans.
How can you tell if the sum of two integers with different signs will be positive or negative?
The sum will have the same sign as the integer with the greater absolute value.
The elevation of the tallest ride at Six Flags is 242 feet. The lowest elevation of the shortest ride at Six Flags goes underground to a depth of -17 feet. What is the range of elevation?
242 - (-17) = 259 feet
Earth's system that includes the air we breathe is called the...
Geosphere & Atmosphere
Explain why oil can be drilled on land and offshore.