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71 Cards in this Set
- Front
- Back
Acute angle
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An angle that measures greater than 0 degrees and less then 90 degrees
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Acute Triangle
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A triangle that contains an acute angle
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Addend
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A number that is added (ex. 5+8=13 5 & 8 are addends)
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Adjacent Angle
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Two angles with a common vertex, a common ray and no common interior points
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Algebra
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A branch of mathematics in which arithmetic relations are explored using letter symbols to represent numbers.
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Algorithm
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A step by step procedure used to find a solution
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Angle
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Two rays with the same endpoint, the endpoint is the vertex of the angle
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Arc
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Part of the circumference of the circle
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Area
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The number of square units needed to cover a surface
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Associative property of addition
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The sum is alwaysthe same when the addends are grouped differently (2+3)+4+ 2+(3+4)
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Associative property of multiplication
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The product is always the same when the factors are grouped differently (2 X 3)X4- 2 X (3 X 4)
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Average
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A number obtained by dividing thesum of two or more addends by the number of addends
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Bar graph
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A graph using vertical or horizantal bars to display numerical information
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Basic fact
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A number sentence that has at least two one digit numbers (ex. 7+8=15, 8/4=2)
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Biset
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To divide two congruent parts
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Box and whiskers
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A graph showing the shape of the data set
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Capacity
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The volume of a figure, given in term of liquid measure
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Circle
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A plane figure with all points the sme distance from a given point called the center
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Circle graph
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A round graph that uses different sized wedges to show how portions of a set of data compare with the whole set
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Circumference
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The distance around a circle
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Communitive property of addition
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Two numbers can be added in either order. the sums are the same
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Communative property of multiplication
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Two numbers can be multiplied in either order. their products are the same
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Common Denominator
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A common multiple of two or more denominators. for 1/6 & 5/8 it would be 24
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Common Factor
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A number that is a factor of two or more numbers. A common factor of 9 and 6 is 3
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Common Multiple
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A number that is a multiple of two or more numbers. A common factor of 9 & 6 is 3.
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Complementary angles
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Two angles whose measures add up to 90 degrees
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Composite Number
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A whole number greater than 1 that is not prime
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Cone
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A solid with a circular base and one vertex
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Congruent
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Having the same size and the same shape, as in a congruent figure
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Congruent
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Having the same sized and the same shape, as in a congruent figure
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Congruent angles
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Two andgles gthat have the same measure
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Congruent angles
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Two angles that have the same measure
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Conjecture
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A well-thought out guess,prediction or estimate
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Coordinate system
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A graph with a horizantal number line (x axis) and vertical number line (y axis) that are perpendicular to each othe. The point of orgin is labeled 0 on the graph. An ordered pair (x,y)is used to name a point on the coordinate system
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Counting
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1,2,3,4(naming the sequence of numbers)
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Cube
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A rectangular solid with six congruent square faces
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Cylinder
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a solid with two bases that are congruent circles
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Decimal
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A number that uses place value and a decimal point to show tenths,hundredths, thousandths and so on.
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Dependent events
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Events such that the outcome of the first event affects the outcome of the second event
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Denominator
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The bottom number of a fraction, teling how many parts the whole is divided
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Diagonal
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In a polygon, a segement that connects one vertexs to another vertex but is not a side of the polygon
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Diameter
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In a circle, a segment that passes through the center and has its endpoints on the circle
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Difference
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The answer for subtractio. in 16 -7 = 9, 9 is the difference
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Distributive property of multiplication and addition
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The product of a number and the sum of two number equals the sum of two products. 3 x (4 + 2)= (3 X 4) + (3 X 2)
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Dividend
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A number that is divided by another and the remainder is 0, the first number is divisible by the second number
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Division
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An operation on two numbers that results in a quotient and a possible remainder
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Divisor
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A number that diveds another number. In the example, 36/4 =9, the 4 is the divisor
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Endpoint
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Th point at the end of the line segment
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Equally likely outcomes
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Outcomes that have the same chance of occuring in a probablility experiment
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Equation
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A mathmatical sentence that uses the = symbol
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Equilateral triangle
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A triangle with three congruent sides
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Equivalent fraction
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Fractions that name the same fraction 1/2=2/4
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Even number
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A whole number thart is a multiple of 2
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Event
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The particular outcome one is looking at in a probablity experiment
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Expanded form
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Expressing a number as factors 325= (3 x 100) + (2 x 10)+ (5 x 1)
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Exponent
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A number that tells how many times the base is to be used as a factor
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Face
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A flat surface of a solid figure
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Factor
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A number to be multiplied or a number that divides evenly into a second given number 2x3=6 2 & 3 are factors of 6)
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Factor tree
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A diagram showing how a composite number breaks down into its prime factors
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Factorization
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Writing a whole number as a product of factors ( the factorization of 12 would be 2x2x3=12)
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Frequency
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The number of times a score appears in the list of data
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Function
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For every input value there is one and only one output value
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Greatest common factor
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The greatest whole number that divides the two whole numbers ( the GCF of 24 & 232 is 4 evenly)
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Greatest possible error
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The GPE fo a measurement is equal to 1-2 the unit of measure
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Height of a triangle
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The perpendicular distance from a vertix to the opposite side or base
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Hexagon
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A polygon with six sides
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Independent events
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If two events A & b are independent then the pobability that both will happen is P(A) X P( B)
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Integers
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The whole numbers and their opposites .....-2,-1,0,1,2)
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Inverse operations
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Operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations
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Isosceles triangle
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A triangle with two congruent sides.
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Least common denominator
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The least common multiple of two denominators
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