definition of a square
a plane figure with four equal, straight sides and four right angles
definition of a bar graph
presents categorical data with rectangular bars
purpose of an equal sign
used to indicate equality, used between two values that have the same value
x
multiplication
the amount of pennies in a dollar
100
definition of a polygon
a figure with at least 3 straight sides and angles
pictographs definition
representation of data using images
variable definition
symbol of a number that is not clear yet
-
subtraction
the amount of inches in one foot
12
definition of perpendicular lines
a line meeting another line at a 90 degree angle
median definition
value that separates the higher half from the lower half of the data sample, the "middle" value
operator definition
symbol that shows an operation (like -, +, x)
+
addition
the measurement of temperature
degrees
definition of an acute angle
an angle smaller than 90 degrees
line graph definition
displays information as a series of data points connected by straight line segments
coefficients defintion
the number part of the terms with variables
=
equals
equation for area of a square
L x W
definition of rotation
circular movement of an object around a center of rotation
range definition
difference between largest and smallest values
equation definition
a statement that two mathematical expressions are equal (indicated by the sign =)
/
divide
definition of mass
measurement of how much matter is in an object