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Related Flashcards
Cards In This Set
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Expression
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A math problem with no equal sign
ex: 2 + 3 or 5x
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Bias
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Unfair
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Composite number
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A number with more than 2 factors
ex: 10 is composite because 1, 2, 5, & 10 go into it
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Degrees
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Units used in measuring angles
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Equation
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A math problem with an equal sign
ex: 5 + x = 7
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Evaluate
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To solve
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Formula
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A set of instructions
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Inverse
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Opposite
ex: the inverse of 3 is -3
ex: the inverse of adding 3 is subtracting 3
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Probability
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A ratio of what we want to happen compared to all the things that could happen
ex: the probability of rolling a 3 on a die is 1/6
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Ratio
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A comparison of two numbers (usually written like a fraction)
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Reciprocal
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When the numerator and denominator are switched in a fraction
ex: the reciprocal of 1/2 is 2/1
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Sample
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A small group that represents the entire population
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Simplify
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In fractions, to reduce to lowest terms
ex: 6/18 reduces to 1/3 becaus 6 evenly divides into both numbers
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Face
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The flat part of a 3D shape
ex: a cube has 6 faces
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Edge
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Where two flat faces come together in a 3D shape
ex: a cube has 12 edges
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