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 swiched.
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 factor two 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 orgin.
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.
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 points horizontal distance from the origin along the x-axis.
Y-coordinate
A points vertical distance from origin along the y-axis.
Absolute value
A numbers distance from 0 on the number line.
Additive inverses
Two numbers whose sum is 0.
