
the distance from zero on the number line
absolute value

a property of the real numbers that states that the order in which numbers are added or multiplied does not change the value
commutative property

a twodimensional system in which a location is described by its distance from two intersecting, perpendicular axes
coordinate plane

the result of subtracting two numbers
difference

the number being divided
dividend

the number that another number is to be divided by
divisor

a number that is multiplied
factor

a shape or object that has been transformed
image

a number belonging to the set made up of the whole numbers and their opposites
integer

opposite operations that undo one another
inverse operations

the mirror line; the line across which a figure is flipped
line of reflection

the line which divides a figure into two congruent mirror images
line of symmetry

property where a figure can be folded along a line to create two congruent mirror images
line symmetry

a number belonging to the set made up of the counting numbers: 1, 2, 3, and so on
natural number

a number that is less than zero
negative number

a line that graphically represents all numbers
number line

two numbers that are the same distance from zero on the number line but in opposite directions
opposite numbers

a group of two numbers written in the order (x, y), where the first value represents a horizontal position and the second value represents a vertical position
ordered pair

the intersection of the xaxis and yaxis
origin

a number that is greater than zero
positive number

the original shape or object that is being transformed
preimage

the result of multiplication
product

the four sections of the coordinate plane
quadrants

the result of dividing two numbers
quotient

a transformation in which a figure turns around a fixed center point.
rotation

a transformation in which a figure is flipped across a line to give a mirror image of the original figure
reflection

the result of adding two or more numbers
sum

a change made to a shape or object
transformation

a transformation in which a figure is slid to a new location
translation

a number belonging to the set made up of zero and the natural numbers
whole number

the horizontal axis on the coordinate plane
xaxis

the horizontal distance from the yaxis; written first in an ordered pair
xcoordinate

the vertical axis on the coordinate plane
yaxis

the vertical distance from the xaxis; written second in an ordered pair
ycoordinate

a pair of numbers whose sum is zero
zero pair

