# Shared Flashcard Set

## Details

Math vocabulary
terms and definitions
93
Mathematics
10/28/2010

Term
 even numbers
Definition
 numbers that can be divided by 2 without a remainder
Term
 sum
Definition
Term
 ray
Definition
 a part of a line that begins at a point and continues without end in one direction
Term
 remainder
Definition
 an amount left after division
Term
 counting numbers
Definition
 the numbers used to count 1,2,3,4,5,6,7...
Term
Definition
 10 years
Term
 century
Definition
 100 years
Term
 millenium
Definition
 1000 years
Term
 difference
Definition
 the answer to a subtraction problem
Term
 acute angle
Definition
 less than 90 degrees
Term
 right angle
Definition
 an angle that measures 90 degrees
Term
 percent
Definition
 a fraction whose denominator of 100 is expressed as a percent sign
Term
 1 day
Definition
 24 hours
Term
 1 minute
Definition
 60 seconds
Term
 1 hour
Definition
 60 minutes
Term
 1 year
Definition
 12 months
Term
 1 year
Definition
 365 days
Term
 leap year
Definition
 366 days
Term
 1 week
Definition
 7 days
Term
 a.m.
Definition
 the period of time from midnight to just before noon
Term
 p.m.
Definition
 the period of time from noon until just before midnight
Term
 water freezes at this temperature
Definition
 0 degrees celsius
Term
 water boils at this temperature
Definition
 100 degrees celsius
Term
 fahrenheit
Definition
 water freezes at 32 degrees; water boils at 212 degrees
Term
 common denominators
Definition
 denominators that are the same; for example, 2/5 and 3/5 have common denominators
Term
 tally mark
Definition
 a small mark used to help keep track of a count
Term
 ordinal numbers
Definition
 numbers that describe position or order
Term
 multiple
Definition
 a product of a counting number and another number
Term
 inverse operations
Definition
 operations that undo one another
Term
 point
Definition
 an exact position
Term
 odd numbers
Definition
 numbers that have a remainder of one when divided by two
Term
 product
Definition
 the answer to a multiplication problem
Term
 fact family
Definition
 a group of three numbers related by addition and subtraction or by multiplication and division
Term
 geometry
Definition
 mathematical method of learning shapes
Term
 term
Definition
 a number in a sequence 1,3,5,7,9,11; a number that serves as a numerator or denominator in a fraction
Term
 vertical
Definition
 upright
Term
 line segment
Definition
 a part of a line with two distinct endpoints
Term
 intersecting lines
Definition
 lines that cross
Term
 denominator
Definition
 the bottom number of a fraction; the number that tells how many parts of a whole
Term
 negative number
Definition
 a number less than zero
Term
 fraction
Definition
 a number that names the part of a whole
Term
 property of zero for multiplication
Definition
 anything times zero is zero
Term
 horizontal
Definition
 side to side
Term
 oblique
Definition
 a slanting line
Term
 acute triangle
Definition
 all three angles are less than 90 degrees
Term
 isosceles triangle
Definition
 a triangle with at least 2 sides of equal length
Term
 similar
Definition
 has the same shape but not necessarily the same size
Term
 digit
Definition
 any of the symbols used to write numbers 0,1,2,3,4,5,6,7,8,9
Term
 expanded form
Definition
 a way of writing a number that shows the value of each digit
Term
 communative property of multiplication
Definition
 changing the order of factors does not change their product
Term
 factors
Definition
 any of the numbers multiplied in a multiplication problem
Term
 line
Definition
 a straight collections of points extending in the opposite direction without end
Term
Definition
Term
Definition
 the sum of any number and 0 is equal to the initial number
Term
 oblique lines
Definition
 lines in the same plane that are neither parallel nor perpendicular
Term
 straight angle
Definition
 measures 180 degrees
Term
 sequence
Definition
 a lot of numbers according to a certain rule
Term
 angle
Definition
 the opening that is formed when two line segments or rays intersect
Term
 division
Definition
 an operation that separates a number into a given number of equal parts or into a number of parts of a given size
Term
Definition
 changing the order of the addends does not change their sum
Term
 congruent
Definition
 the same size and shape
Term
 obtuse angle
Definition
 angle more than 90 degrees and less than 180 degrees
Term
 obtuse triangle
Definition
 one of the angles is obtuse; more than 90 degrees and less than 180 degrees
Term
 right triangle
Definition
 one of the angles is a right angle-90 degrees
Term
 numerator
Definition
 of the two numbers of a fraction the number that tells how many parts of the whole are counted
Term
 identity property of multiplication
Definition
 the product of any number and 1 is equal to the initial number
Term
 equation
Definition
 a number sentence that uses the symbol = to show that two quantities are equal
Term
 perpendicular lines
Definition
 two lines that intersect at right angles
Term
 parallel lines
Definition
 lines that stay the same distance apart; lines that do not cross
Term
 mixed numbers
Definition
 a whole number and a fraction together
Term
 whole numbers
Definition
 all the numbers in this segment: 1,2,3,4,...
Term
 equilateral triangle
Definition
 all the sides are all the same length
Term
 scalene triangle
Definition
 with three sides of different lengths
Term
 factor
Definition
 a whole number that divides another whole number without a remainder
Term
 polygon
Definition
 a closed flat shape with straight sides
Term
 vertex
Definition
 a point of an angle, polygon, or solid where two or more lines meet
Term
 integers
Definition
 the set of counting numbers, their opposites, and zero, the zero, the members of the set
Term
 parallelogram
Definition
 a quadrilateral that has two pairs of parallel sides
Term
 rhombus
Definition
 a parallelogram with all four sides of equal length
Term
 topezoid
Definition
 a quadrilateral with exactly one pair of parallel sides
Term
 trapezium
Definition
Term
 triangle
Definition
 polygon with three sides
Term
Definition
 polygon with four sides
Term
 pentagon
Definition
 polygon with 5 sides
Term
 hexagon
Definition
 polygon with six sides
Term
 heptagon
Definition
 polygon with seven sides
Term
 polygon with eight sides
Definition
 octagon
Term
 decagon
Definition
 polygon with ten sides
Term
 dodecagon
Definition
 polygon with 12 sides
Term
Definition
 the grouping of the addends does not affect their sum
Term
 dividend
Definition
 a number that is divided
Term
 divisor
Definition
 a number by which another number is divided
Term
 quotient
Definition
 the answer to a division problem
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