# 4th Grade Word List - Math

Words for students of 4th Grade, the page is for math words (List 1), which are essential vocabulary for 4th Grade academic classes.
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 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
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