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16 Cards in this Set

  • Front
  • Back
Composite number
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)
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.
cross product
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.
improper fraction
A fraction with a numerator that is larger than or equal to its denominator.Ex. 7/6
like fractions
Two or more fractions that have the same denominator.
Ex. 3/5 and 4/5
least common multiple (LCM)
The smallest multiple that two or more numbers have in common. Ex. - The LCM of 4 and 6 is 12
mixed number
A value that combines a whole number and a fractional amount.Ex. - Mixed fraction: 2 1/2
mixed decimal: 2.5
An eight-sided polygon.
parallel lines
LInes in the same plane that do not intersect. The symbol // means parallel.
Ex. _______________

The ratio of a number to 100 (The symbol % means percent)
prime factorization
Breaking down a composite number until all of the factors are prime.

36 is 3 times 3 times 4
The likelihood that an event will occur. The probability that an event will occur is 0, 1, or somewhere between 0 and 1
A length that is half the diameter of a circle; the distance from the center of the circle to the circle itself.
right angle
An angle that measures 90
right triangle
A triangle with one right angle
supplementary angles
Two angles whose sum is 180
139 + 41 = 180