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30 Cards in this Set
- Front
- Back
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absolute value
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The distance of a number from zero; the positive value of a number.
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acute angle
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A positive angle measuring less than 90 degrees.
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angle
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The union of two rays with a common endpoint, called the vertex.
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arc
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A portion of the circumference of a circle.
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area
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The number of square units that covers a shape or figure.
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circumference
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The distance around a circle.
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congruent
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Figures or angles that have the same size and shape.
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coordinate plane
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The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers.
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degree
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A unit of measure of an angle.
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denominator
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The bottom part of a fraction.
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difference
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The result of subtracting two numbers.
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diameter
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The line segment joining two points on a circle and passing through the center of the circle.
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digit
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The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 215 has three digits: 2, 1, and 5.
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constant
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A value that does not change.
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commutative property of addition
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a + b = b + a
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commutative property of multiplication
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a*b = b*a
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associative property of addition
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(a + b) + c = a + (b + c)
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associative property of multiplication
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(a x b) x c = a x (b x c)
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distributive property
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a(b + c) = ab + ac
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dividend
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In a / b = c, a is the dividend
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divisor
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In a / b = c, b is the divisor.
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equation
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A mathematical statement that says that two expressions have the same value; any number sentence with an =.
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evaluate
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To substitute number values into an expression
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exponent
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A number that indicates the operation of repeated multiplication.
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factor
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One of two or more expressions that are multiplied together to get a product.
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formula
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A equation that states a rule or a fact
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frequency
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The number of times a particular item appears in a data set.
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frequency table
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A data listing which also lists the frequencies of the data
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graph
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A type of drawing used to represent data.
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horizontal
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A line with zero slope.
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