4th grade math vocabulary words – Flashcards
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addend
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a number that is added to another in an addition problem
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analog clock
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a device for measuring time by moving hands around a circle for showing hours, minutes, and sometimes seconds
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angle
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the figure formed by two line segments or rays that share the same endpoint
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bar graph
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a graph that uses bars to show data
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benchmark
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a known number of things that helps you understand the size or amount of a different number of things
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capacity
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the amount a container can hold when it is filled
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closed figure
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a shape that begins and ends at the same point
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cluster
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a group of data that appears often on a line plot
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congruent
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having the same size and shape
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coordinate grid
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a graph used to locate points
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data
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information collected about people or things from which conclusions may be drawn
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decimal
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a number with one or more digits to the right of the decimal point
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decimal
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a number with one or more places to the right of a decimal point
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decimal point
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a dot used to separate dollars from cents or ones from tenths in a number. Says the word "and"
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denominator
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the part of a fraction that tells how many equal parts are in a whole
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difference
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the answer to to a subtraction problem
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digit
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any of one of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 used to write numbers
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dividend
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the number that is to be divided in a division problem
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division
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the process of sharing a number of items to find how many groups can be made or how many items will be in a group; the opposite operation of multiplication
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divisor
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the number that divides the dividend
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equation
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a number sentence which states that two amounts are equal
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equation
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a part of a number sentence that has numbers and operation signs but does not have an equal sign
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equivalent
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having the same value or naming the same amount
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equivalent fractions
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two or more fractions that name the same amount
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estimate
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to find an answer that is close to the exact answer
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factor
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a number that is multiplied by another number to find a product
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flip
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a movement of a figure to a new position by flipping the figure over a line
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foot
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a customary unit used for measuring length or distance (such as a ruler)
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fraction
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a number that names part of a whole
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fraction
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a symbol used to name a part of a whole, a part of a set, a location on a number line, or a division of whole numbers
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frequency
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the number of times a response occurs
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hexagon
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a polygon with six sides and six angles
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hundredth
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one of a hundred equal parts of a whole. Second place to the right of the decimal point.
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key
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part of a pictograph that tells what quantity each symbols stands for
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label
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it is on the bottom of a bar graph
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leaf
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shows the ones digit of a number
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line graph
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a graph that uses a line to show how data changes over a period
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Line Graph
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a graph that connects points to show data change over time
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line plot
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a graph that shows the frequency of data along a number line
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line plot
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a graph that shows data along a number line
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line segment
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a part of a line that has two endpoints
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mass
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the amount of matter in an object
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median
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the middle number when the data are put in order from least to greatest
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mixed number
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an amount given as a whole number and a fraction
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mode
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the number that occurs most often in the data
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number line
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a line with equally spaced tick marks named by numbers (a number line does not always start at 0)
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numerator
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the part of a fraction that tells how many parts of the whole are being considered
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octagon
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a polygon with eight sides and eight angles
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operation
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when you add or subtract ; when you divide or multiply
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ordered pair
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a number pir that names a point on a coordinate grid
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parallel lines
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lines that never intersect
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parallelogram
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a quadrilateral whose opposite sides are parallel and congruent
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pentagon
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a polygon with five sides and five angles
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perpendicular line
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lines that intersect to form four right angles
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pictograph
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a graph that uses pictures to show and compare information
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pictograph
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a graph that uses pictures or symbols to show data
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place value
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the value of a place, such as ones or tens, in a number
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product
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the result of multiplication
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quadrilateral
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a polygon with four sides and four angles
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quotient
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the number, not including the remainder, that results from dividing
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range
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the difference between the greatest and least numbers in the data
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rectangle
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a plane figure with opposite sides that are equal and parallel, and with four right angles
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rectangular prism
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a solid figure in which all six faces are rectangles
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rhombus
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a parallelogram with four congruent sides and with opposite angles that are congruent
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right angle
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an angle that forms a square corner and has a measure of 90 degrees
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rounding
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replacing a number with another number that tells about how many or how much
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scale
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numbers that show the units used on a graph
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similar
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having the same shape as something else but possibly different in size
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slide
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a movement of a figure to a new position without turning or flipping it
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square
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a polygon with four equal sides and four right angles
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standard form
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a way to write numbers by using digits
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stem
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shows the tens digit of a number
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stem-and-leaf plot
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a graph that uses place value to organize data
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sum
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the answer to an addition problem
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tenth
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one of ten equal parts of a whole. The first place to the right of the decimal point.
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three-dimensional
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measured in three directions such as length, width, and height
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title
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located at the top of a bar graph
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trapezoid
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a quadrilateral with only one pair of parallel sides
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triangle
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a polygon with three sides and three angles
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turn
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a movement of a figure to a new position by rotating the figure around a point
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two-dimensional
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measured in two directions, such as length and width
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variable
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a letter or symbol that stands for any number
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word form
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a way to write numbers by using words
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x-axis
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the horizontal line on a coordinate grid
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y-axis
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the vertical line on a coordinate grid
