1	decimal point		_____	Two lines that cross over each other
2	difference		_____	Numbers multiplied together
3	place value		_____	The value of a digit based upon the place of the digit
4	product		_____	A number that uses place value and a decimal point to show
5	complimentary angle		_____	Answer to an addition problem
6	intersecting lines		_____	Two angles that have a sum that equals 90 degrees
7	perpendicular		_____	To rewrite a whole number to the nearest ten, hundred,
8	protractor		_____	Answer to a subtraction problem
9	rounding		_____	A number that has only two factors
10	decimal		_____	The third place value to the right of the decimal point
11	sum		_____	An instrument that measures angles.
12	thousandths		_____	A dot used to separate the ones and tenths place value
13	composite number		_____	A number with three or more factors
14	factors		_____	Answer to a multiplication problem
15	prime number		_____	Two lines intersecting and making right angles.