Words in Math
Formulas
Name the Figure
Solve the problem
100
What is the area of a figure?
The area of a figure is the space inside the figure, on one flat plane.
100
Perimeter of a rectangle.
P=2l+2w
100
It is a 3 sided polygon.
Triangle
100
Perimeter of a rectangle that has a legnth of 5 meters and a width of 2 meters.
5m+5m+2m+2m=14m
or
2(5m)+2(2m)= 10m+4m=14m
200
Define the term perimeter.
The perimeter of a figure is the sum of all the sides.
200
Area of a rectangle
A=lw
200
It is a 4 sided polygon, with all side lengths being equal.
Square
200
Area of a triangle that has a base of 3 inches and a height of 2 inches.
A=1/2(3in) x (2in)
A=1/2(6in)
A=3in2
300
What is the volume of a figure?
Volume is the amount of 3 dimensional space an object takes up.
300
Area of a triangle.
A=1/2bh or A=bh/2
300
It is a 4 sided polygon with 2 parallel sides that are equal, and the other 2 parallel sides that are equal.
Rectangle
300
Area of a rectangle with a length of 4 feet and a width of 3 feet.
A=lw
A= (4ft)x(3ft)
A=12ft2
400
What is a net?
A net is a 2 dimensional pattern of a 3 dimensional figure. It is a 3 dimensional figured flattened out, like a cereal box opened up and placed flat.
400
Volume of a rectangular prism.
V=lwh
400
It is a 3 dimensional figure with 6 square faces.
Cube
400
Volume of a rectangular prism that has a length of 10 inches, a width of 4 inches, and a height of 6 inches.
V=lwh
V=(10in)x(4in)x(6in)
V=240in3
500
What is surface area?
The surface area of a figure is the sum of the area of all of the faces. Find the area of each part of the net and add the areas together.
500
What is another way to find the volume of a rectangular prism?
Find the area of the base of the prism and multiply that by the height.
500
It is a 3 dimensional figure with 6 rectangular faces.
Rectangular prism
500
Volume of a rectangular prism that has a base of 40in2 and a height of 6 inches.
V=bh
V=(40in2)x6in
V=240in3