Vocabulary
The number of square units needed to cover the surface of each figure without overlap.
Area
How do you write square centimeter?
cm2
A customary unit of measure for a small area.
Square inch
A parallelogram with four sides that are of equal length.
Rhombus
Refers to lines that will not meet no matter how long they are.
Parallel
A metric unit of measure for a smaller area.
Square centimeter
How do you write square inch?
in.2
A customary unit of measure for a large area.
Square foot
A quadrilateral with two pairs of opposite sides that are parallel and of equal length.
Parallelogram
Move a figure in any direction to a new position.
Slide
A metric unit of measure of measure for a large area.
Square meter
How do you write square meter?
m2
A flat figure that can be open or closed.
Plane figure
A polygon that has five sides.
Pentagon
Turn a shape front to back over a line.
Flip
Distance around a figure that can be measured in linear units
Perimeter
How do you write square foot?
ft2
A plane figure that starts and ends at the same point.
Closed figure
A polygon that has eight sides.
Octagon
A plane figure that does not start and end at the same point.
Open figure
Units of area such as square, centimeter, square inch, square foot, or square meter.
Square units
BONUS! 1,000 points if you get this correct! What is a polygon with four sides and four angles?
Quadrilateral
A point where two sides of a polygon meet.
Vertex
A square that is made up of seven polygons.
Tangram
A closed plane figure formed by three or more line segments.
Polygon