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# M.3 Vocabulary

TermDefinition
approximate close in value or amount, about, not exact
area the number of square units needed to cover a surface or figure
attribute a characteristic or component of a geometric figure
bar graph a graph using bars to show data
base the parallel faces of a prism or the face a solid object stands on
coins a small, flat, and usually round piece of metal issued by a government as money
compare to determine whether one number or set is more than, less than or equal to another number or set using symbols
compose to put smaller values together to form a number
composite figure a new shape made by combining two or more shapes
cone a three-dimensional solid with one base that is a circle and a curved surface that meets at a vertex
congruent having same size and shape
consecutive whole numbers that follow each other without any gaps
credit borrowing money or buying something now and agreeing to pay it back in the future
cylinder a three-dimensional solid with two parallel, congruent circular bases and one curved surface
data list of collected numerical data
decompose to separate a number into two or more parts
denominator in a fraction, the number of equal parts or groups in the whole; bottom number
difference the amount left over when one number is subtracted from another; the answer to a subtraction problem
digit any of the symbols 0, 1, 2, 3, 4, 5, 6 7, 8, or 9
dime has a value of ten cents; also written as 10¢ or \$0.10
distance the length between two points or objects
dollar sign a symbol placed before a number to represent money
dot plot a display of responses along a number line with dots used to indicate the number of times a response occurred
edge a line segment where two faces of a three dimensional solid meet
eighths eight equal parts in the whole
equal to having the same overall value
equation a number sentence that uses the equal sign to show that two expressions have the same value
equivalent having the same value
estimate a strategic choice of number
even a number when divided into groups of two has 0 remaining; divisible by two
expanded form a number written showing the value of its digits
expression a mathematical phrase that contains numbers and operators(+ - x ) ex: 3 x 4
face a flat surface of a three-dimensional figure
fourths four equal parts in the whole
frequency table a way to display data that shows how many times a response occurs in a set of data
greater than the relationship between numbers when one number's value is more than another number's value
halves two equal parts in the whole
income money earned for work done
input-output table a table that uses a rule to relate one set of numbers to another set of numbers
length the distance from one end to the other end of an object
less than the relationship between numbers when one number's value is less than another number's value
nickel has a value of 5 cents; also written as 5¢ or \$0.05
number pairs two numbers that are related
number sentence a mathematical sentence written using numbers and symbols
numerator in a fraction, the number of parts counted; top number
odd a number when it is divided into groups of two with one remaining; not divisible by two
parallel a pair of lines that are equal distance apart and will never meet
parallelogram a quadrilateral with two sets of parallel sides
part of a whole the fraction that represents a relationship between a whole and its part
partition equally separate a number line, strip, region or group of objects
pattern repeated order following a rule
penny has a value of 1 cent; also written as 1¢ or \$0.01
perimeter the distance around a two-dimensional figure
pictograph a graph using pictures or symbols to show data
place value is the value a digit has based on its position in a number
polygon a two-dimensional shape with 3 or more straight sides
pyramid a three-dimensional figure containing a base that is a polygon and the faces are triangles that share a common vertex
quadrilateral a polygon with 4 sides
quater has a value of 25 cents; also written as 25¢ or \$0.25
reasonableness using logic to justify the solution to a problem
regular polygon a polygon having all equal sides
relationship the reason or way numbers or objects are connected or organized
rhombus a quadrilateral with four congruent sides and two sets of parallel sides
same-size whole refers to wholes that are the same size
spending trading money for goods or services
sphere a three dimensional solid in which every point on its curved surface is the same distance from the center
standard form writing numbers using digits
summarize a data set analyze the information in a graph
trapezoid a quadrilateral with one set of parallel sides
unit fraction a fraction with a numerator of one; names one part of the whole
value worth of a number, symbol, or object
vertex the point where two or more edges or line segments meet
weight a measure of how heavy an object is
word form a number written in words
Created by: angela.hudson
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