Rational Numbers Flashcards
be come smort(er)
unit fraction
a fraction with a numerator of 1
multiplicative inverse
when you multiplicate 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
the greatest factor 2 numbers have in common
multiple
the product of a number and any whole number
least common multiple
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 the coordinate plane that are created when the x-axis and y-axis intersect at the origin
origin
the point where the x and y axis intersect (0, 0)
ordered pair
a pair of numbers (x, y) that describe the location of 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
integers
the set of whole numbers and their opposites
positive number
a number greater than 0
negative number
a number less than 0
x-coordinate
a point’s horizontal distance from the origin along the x-axis
y-coordinate
a point’s vertical distance from the origin along the y-axis
absolute value
a number’s distance from 0 on the number line
additive inverses
two numbers whose sum is 0.