Numerator	_____		1	The basic unit length in the metric system.
Line Segment	_____		2	The least common multiples of the common multiples of 2 or more numbers.
Mean	_____		3	Figures that match exactly when folded in half have line symmetry.
Origin	_____		4	A number that is less than 0.
Multiply	_____		5	The middle number in a set of data when the data are arranged in numerical order.
Opposite	_____		6	The part of a line between 2 given distinct points on that line (including the 2 points).
Negative Number	_____		7	2 integers are opposite if they are represented on the number line by points that are the same distance from 0.
Median	_____		8	The point of intersection of the x-axis and y-axis in a coordinate system.
Obtuse Angle	_____		9	A number that combines a whole number and a fraction.
Less Than	_____		10	The sum of the numbers in a set of data divided by the number of pieces of data.
Line of Symmetry	_____		11	The product of a number and a whole number greater than 0.
Mode	_____		12	In the fraction x/y, x is called the numerator and y is called the denominator.
Line Symmetry	_____		13	A number less than another number represented by the symbol<.
Percent	_____		14	A ratio that compares a number to 100.
Least Common Denominator	_____		15	A line that divides a figure into two-halves that are reflective of each other.
Mixed Number	_____		16	Any angle that measures greater than 90 degrees and less that 180 degrees.
Least Common Multiple	_____		17	Line in the same plane that do not intersect.
Parallel Lines	_____		18	The product of the number and any whole number.
Meter	_____		19	The smallest number that is exactly divisible by each denominator of a set of fractions.
Multiple	_____		20	The number(s) or item(s) that appear most often in a set of data.