23 terms

prime

a number that has no factor but itself and 1

difference

the number that remains after subtraction

area

the number of square units needed to cover a flat surface; the extent of a 2-dimensional surface enclosed within a boundary

numerator

the top number of a fraction that tells how many parts of a whole are being considered

line segment

part of a line with two endpoints

ray

(mathematics) a straight line extending from a point

angle

The space between two rays, lines, or planes that intersect

obtuse angle

An angle that measures more than 90 degrees but less than 180 degrees

straight angle

an angle of 180 degrees

hexagon

a six-sided polygon

quadrilateral

a four-sided polygon

octagon

an eight-sided polygon

greatest common factor

The largest factor that two or more numbers have in common

volume

the amount of 3-dimensional space occupied by an object

perpendicular lines

Two lines that intersect to form right angles

constant

A value that does not change

ordered pair

A pair of numbers, (x, y), that indicate the position of a point on a coordinate plane.

vertical axis

the y axis; goes up and down on al line graph

rotation

A transformation that turns a figure about a fixed point at a given angle and a given direction.

equivalent fractions

fractions that have different numerators and denominators, but have the same value

elapsed time

the amount of time that passes from the start to the end of an activity

composite

a number that has more than two factors

sum

a quantity obtained by addition