Operations with Positives & Negatives
Subtracting these two types of numbers will get you a negative number
Negative and Positive
In math, this symbol is also used as 3.14
Pi
Length x Width
The operation for Area
This angle is 90 degrees
Right angle
Flipping a coin and getting tails
1/2 chance
Adding these two numbers will always give you a positive number
Positive numbers
In a circumference problem, you times this by Pi to get the answer
Diameter
Length x Width x Height
The operation for volume
This angle is less than 90 degrees
Acute angle
Rolling a die and getting a 6
1/6 chance
This operation will sometimes give you a positive number, but not all the time
Negative minus a Negative
Radius
Half of the diameter
Find the area of each side of the solid, then add them together
The operation for surface area
This angle is greater than 90 degrees
Obtuse angle
Flipping a coin twice and getting heads each time
1/4 chance
This multiplication operation gives you a positive number
Positive times a positive
This operation is used to find the Area of a Circle
A = Pi x r^2
Area = 16
This angle equals 180 degrees
Straight angle
1/36 chance
This division problem doesn't give you a positive number
Negative divided by positive or positive divided by negative
The area of a Circle is 28.26 in. The diameter of the Circle is
6
A rectangle is 7 ft. high, 12 in. wide, and 21 ft. long
Volume = 147 ft.
Surface Area = 350 ft. squared
These two angles make a 180 degree angle
Linear Pair
Picking a red marble out of a bag with 1 red, 1 blue, and two green marbles without replacement, then picking a green without replacement, and finally picking a blue without replacement.
1/12 chance