Math Vocabulary 3 Flashcards
(12 cards)
mixed number
a number that has a whole number part and a fraction part
1 3/4
prime number
a whole number with exactly 2 factors; 1 and itself
5
5 X 1 1 X 5
numerator
The top number in a fraction.
It tells how many of the equal parts are being used
9 / 20
simplest form
a fraction in which the numerator and the denominator have no common factor greater than 1
2 / 3
composite number
a whole number with more than 2 factors
4
4 x 1 1 X 4 2 X 2
equivalent fractions
fractions that have the same value
2 / 4 1 / 2
greatest common factor
The greatest of the common factors of each of two or more numbers
12 / 30
factors:
1 , 2 , 3 , 4 , 6
greatest = 6
least common multiple
the least multiple greater than 0 that is a common multiple of each of two or more numbers
2 / 5
2 - 2, 4, 6, 8, 10, 12
5 - 5, 10, 15, 20, 25
benchmark fractions
Common fractions that are used for estimation
denominator
The bottom number in a fraction.
It tells the total number of equal parts
1 / 3
factor pairs
The 2 factors that are multiplied to find a product
24
1 X 24 = 24
2 X 12 = 24
3 X 8 = 24
4 X 6 = 24
improper fraction
a fraction with a numerator that is greater than or equal to the denominator
7 / 3