Benchmark Fractions: a commonly known fraction that serves as a meaningful reference point for measurement comparison.
Common Denominators: a common multiple of two or more denominators. Example: Some common denominators for 1/4 and 5/6 are 12, 24, and 36.
Common Factor: a number that is a factor of two or more numbers.
Common Multiple: a number that is a multiple of tow or more numbers.
Denominator: the number below the bar in a fraction that tells how many equal parts are in the whole or in the group. Example: 3/4, the denominator is 4.
Difference: the answer to a subtraction problem.
Equivalent Fractions: fractions that name the same amount or part. Example: 3/4 = 6/8
Fraction: a number that names a part of a whole or a part of a group.
Fraction Greater Than 1: a number which has a numerator that is greater than its denominator. Example: 8/4
Fraction Less Than 1: a number which has a numerator that is less than its denominator.
Example: 3/4
Lowest Terms: the form of a faction in which the numerator and denomminator have no factor in common except 1.
Minuend: a quantity or number from which another is to be subtracted.
Mixed Number: a number that is made up of whole number and a fraction. Example: 1 5/8
Multiple: the product of two counting numbers is a multiple of each of those numbers.
Number Line: a line on which numbers can be located.
Numerator: the number above the bar in a fraction that tells how many equal parts of the whole or group are being considered. Example 3/4, 3 is the numerator
Prime Number: a number that has exactly two factors: 2 and itself. Example: 2,3,5,7,11,13,17,19 are prime numbers. 1 is not a prime number.
Reasonableness: within likely or sensible boundaries.
