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16 Cards in this Set
- Front
- Back
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Composite number
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A positive whole number with two factors. In other words, a number that is not prime. Zero and one are neither composite nor prime.
Ex. 4 is a composite number (factors: 1,2, and 4) |
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denominator
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The part of a fraction that stands for the number of equal parts a whole or group is divided into.
Ex. 5/6 6 is the denominator. |
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cross product
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In an equation made up of two fractions, the numerator of one fraction times the denominator of the other fraction. Two ratios are equal only if their cross products are equal.
Ex. 2/5=6/15 2 times 15 =30 and 5 times 6=30 are the cross products. |
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improper fraction
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A fraction with a numerator that is larger than or equal to its denominator.Ex. 7/6
5/5 |
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like fractions
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Two or more fractions that have the same denominator.
Ex. 3/5 and 4/5 |
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least common multiple (LCM)
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The smallest multiple that two or more numbers have in common. Ex. - The LCM of 4 and 6 is 12
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mixed number
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A value that combines a whole number and a fractional amount.Ex. - Mixed fraction: 2 1/2
mixed decimal: 2.5 |
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octagon
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An eight-sided polygon.
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parallel lines
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LInes in the same plane that do not intersect. The symbol // means parallel.
Ex. _______________ ______________ |
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percent
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The ratio of a number to 100 (The symbol % means percent)
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prime factorization
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Breaking down a composite number until all of the factors are prime.
36 is 3 times 3 times 4 |
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probability
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The likelihood that an event will occur. The probability that an event will occur is 0, 1, or somewhere between 0 and 1
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radius
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A length that is half the diameter of a circle; the distance from the center of the circle to the circle itself.
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right angle
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An angle that measures 90
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right triangle
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A triangle with one right angle
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supplementary angles
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Two angles whose sum is 180
139 + 41 = 180 |
