Rational Number Vocab Flashcards
Unit fraction
A fraction with a numerator of 1
Multiplicative inverse
reciprocal; when you multiply a number by its multiplicative inverse the product is 1
reciprocal
the multiplicative inverse of a number with fractions, the numerator and denominator are switched
partial quotient
a strategy used to divide multi digit numbers; the quotients you get in each step are called ‘‘partial quotient’’
factor
a number you multiply
factor pair
2 numbers that are multiplied together to give a product
prime factorization
a way to write a composite number as a product of prime numbers
Greatest common factor (GCF)
the greatest factor two numbers have in common
multiple
the product of a number and any whole number
least common multiple (LCM)
the lowest multiple shared by two or more numbers
coordinate plate
a 2 dimensional space formed by two perpendicular number lines called axes
quadrants
the four spaces of the coordinate plane that are created when the x-axis and y-axis intersect at the origin
origin
the point (0,0) where the x-axis and y-axis intersect
ordered pair
a pair of numbers (x,y) that describe the location of a point on the coordinate plane.
opposites
two numbers are opposites if they are the same distance from 0 on the number line but on opposite sides of 0
