rational number vocab Flashcards
Unit fraction
a fraction with a numerator of 1.
multiplicative inverse
reciprocal; when you multiply a number by it 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 quotients.”
factor
a number you multiply
factor pair
two 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 common 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 plane
a two-dimensional space formed by two perpendicular number lines called axes
quadrants
the four spaces of 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 sides of 0
