area  plane surface, as of the floor of a room; open space in a building; the enclosed space; extent; scope; range 
bar graph  a chart with bars whose lengths are proportional to quantities 
decimal  numbered or proceeding by tens; based on ten; a proper fraction whose denominator is a power of 10 
denominator  the divisor of a fraction 
distributive property  a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses 
fifths  one of five equal parts of a whole 
hundredths  one of a hundred equal parts of a whole; called also percent 
line graph  a graph in which a series of connected straight lines connect points, each of which represents the value of a particular variable 
median  the value below which 50% of the cases fall 
mode  prevailing style; manner; way of doing something; fashion or style 
numerator  the dividend of a fraction 
parallel  make or place something to another's side; of or relating to multiple operations at same time; not intersecting 
perimeter  outer boundary length; closed curve bounding a plane area 
perpendicular  vertical; upright; intersecting at or forming right angles; extremely steep 
proportion  percentage; quotient obtained when a part is divided by the whole; part considered in relation to the whole 
quadrant  a quarter of the circumference of a circle; any of the four areas into which a plane is divided by two orthogonal coordinate axes 
range  limits within which something can be effective; variety of different things or activities 
rational number  an integer or a fraction 
reflection  image of something as reflected by mirror; remark expressing careful consideration 
rotation  revolution; act of rotating as if on an axis 
tenths  one of ten equal parts of a whole 
transformation  change in form , appearance, nature, disposition, condition, or the like 
translation  transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same 
twelfths  one of twelve equal parts of a whole 
