**2.**The opposite. Also, operations that undo each other.**4.**top number in a fraction.**9.**The numerical factor of a term that contains a variable.**10.**This type of fraction has a numerator greater than the denominator.**14.**Value/ Tells you the value of a digit based on its place in a particular number.**15.**What type of decimal stops.**16.**To express in simplest terms.**17.**This property of addition states that changing the grouping of the addends doesn't change the sum. (Grouping does not matter.)**19.**A ratio or comparison of two quantities with different units.**20.**A portion of 100.**21.**The numbers being added.

**1.**This property shows how multiplication affects an addition and subtraction problem.**3.**replace each variable with a number and then follow the order of operations.**5.**The Identity property of _____ states that the product of any number and one is that number.**6.**The smallest multiple that 2 or more numbers have in common.**7.**Product/ The product of one numerator and the opposite denominator in a proportion.**8.**Parts of an expression that are separated by addition or subtraction.**11.**The answer to a multiplication problem.**12.**The answer to a subtraction problem.**13.**The bottom number in a fraction.**18.**This property of addition states that the sum of any number and zero is that number.