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DOESOL MathVoc g 4&5

VA DOE SOL Math vocabulary for grades 4 and 5

QuestionAnswer
angle a geometric figure formed by two rays called sides having a common endpoint called the vertex
associative property of addition changing the groupings of three or more addends does not change the sum
chord a line segment whose endpoints lie on a circle a diameter is a chord that passes through the center of the circle
Associative Property of Multiplication Changing the groupings of three or more factors does not change the product.
circumference the distance around a circle
coordinate plane a grid formed by two axes that intersect at the origin The axes divide the coordinate plane into four quadrants. origin--intersection of the horizontal and vertical axes in the coordinate plane described by the ordered pair (0, 0)
denominator the number of same-size parts in a whole or set
diameter a chord that passes through the center of a circle
elapsed time the amount of time that passes between two points in time
equally likely two events with the same probability of occurrence
expression an mathematical phrase that represents a quantity; may contain variables, numbers, and/or operations
coordinate plane a grid formed by two axes that intersect at the origin The axes divide the coordinate plane into four quadrants. origin--intersection of the horizontal and vertical axes in the coordinate plane described by the ordered pair (0, 0)
denominator the number of same-size parts in a whole or set
factor a number that is multiplied by another number to find a product
frequency the number of times an outcome occurs
line plot A line plot shows the spread of data and each piece of data is represented by an x
greatest common factor the largest number that divides evenly into two or more numbers
intersecting lines lines that meet or cross in exactly one point
kite a quadrilateral with two pairs of adjacent sides congruent but not four congruent sides
least common denominator least common multiple of two or more denominators
least common multiple the smallest multiple that each of two or more numbers share
least common multiple the smallest multiple that each of two or more numbers share
likelihood (of an event) the chance or probability that an event occurs
line graph a graph using line segments to connect the graphed data points
mean a measure of central tendency; the arithmetic average; a mathematical representation of the typical value of a series of numbers, computed as the sum of all the numbers in the series divided by the count of all numbers in the series.
median a measure of central tendency; in a set of ordered data, the middle valueIf the data are shown with a histogram the "mode" is simply the value which corresponds to the highest point(s) on the curve.
least common multiple the smallest multiple that each of two or more numbers share
likelihood (of an event) the chance or probability that an event occurs
metric measurement system a system of measurement based on multiples of 10; basic units are meter (length), gram (mass), and liter (volume or capacity)
mode a measure of central tendency; the value(s) that occurs most often
numerator a representation of the number of same-size parts being considered in terms of the
ordered pair Identifies a location in a coordinate plane
parallel lines coplanar lines that do not intersect
parallelogram a quadrilateral with both pairs of opposite sides parallel
perpendicular lines lines that intersect to form right angles
place value the value a digit represents depending on its place in the number(tenth, hundredth, thousandth)
plane described as a flat surface that extends infinitely in all directions; has two dimensions
polygon a two-dimensional, simple, closed geometric figure that has line segments as sides
quadrant one of four portions into which a plane is divided by the horizontal and vertical axes
radius a line segment from the center of a circle to any point on the circle
range (of a set of data) a measure of variation; the difference between the greatest and least values in a data set
rational number any number that can be written as a ratio (fraction, decimal)
rhombus a parallelogram with all sides congruent
trapezoid a quadrilateral with exactly one pair of parallel sides
tree diagram a organized list of all possible outcomes for an event
triangle a polygon with three sidesTriangles can be classified by their angle types. An acute triangle has 3 acute angles. A right triangle has exactly one right angle. An obtuse triangle has exactly one obtuse angle.
U. S. Customary measurement system the system of measurement commonly used in the United States; common units are inches, feet, yards, and miles-length; ounces, pounds, and tons-weight; ounces, cups, pints, quarts, and gallons-capacity
variable a symbol that represents an unknown quantity
Created by: rdye